diff --git a/public/templates/mmcFE/global/sidebar_pplns.tpl b/public/templates/mmcFE/global/sidebar_pplns.tpl
index 79ffec8a..e5ef06b8 100644
--- a/public/templates/mmcFE/global/sidebar_pplns.tpl
+++ b/public/templates/mmcFE/global/sidebar_pplns.tpl
@@ -38,11 +38,11 @@
                     </tr>
                     <tr>
                       <td><b>Pool Invalid</b></td>
-                      <td class="right"><i>{$GLOBAL.roundshares.invalid|number_format}</i>{if $GLOBAL.roundshares.valid > 0}<font size='1px'> ({(100 / $GLOBAL.roundshares.valid * $GLOBAL.roundshares.invalid)|number_format:"2"}%)</font>{/if}</td>
+                      <td class="right"><i>{$GLOBAL.roundshares.invalid|number_format}</i>{if $GLOBAL.roundshares.valid > 0}<font size='1px'> ({($GLOBAL.roundshares.invalid / ($GLOBAL.roundshares.valid + $GLOBAL.roundshares.invalid) * 100)|number_format:"2"}%)</font>{/if}</td>
                     </tr>
                     <tr>
                       <td><b>Your Invalid</b></td>
-                      <td class="right"><i>{$GLOBAL.userdata.shares.invalid|number_format}</i>{if $GLOBAL.roundshares.valid > 0}<font size='1px'> ({(100 / $GLOBAL.roundshares.valid * $GLOBAL.userdata.shares.invalid)|number_format:"2"}%)</font>{/if}</td>
+                      <td class="right"><i>{$GLOBAL.userdata.shares.invalid|number_format}</i>{if $GLOBAL.roundshares.valid > 0}<font size='1px'> ({($GLOBAL.userdata.shares.invalid / ($GLOBAL.roundshares.valid + $GLOBAL.roundshares.invalid) * 100)|number_format:"2"}%)</font>{/if}</td>
                     </tr>
                     <tr>
                       <td colspan="2"><b><u>{$GLOBAL.config.currency} Round Estimate</u></b></td>
diff --git a/public/templates/mmcFE/global/sidebar_pps.tpl b/public/templates/mmcFE/global/sidebar_pps.tpl
index b90f9aed..3fdc478a 100644
--- a/public/templates/mmcFE/global/sidebar_pps.tpl
+++ b/public/templates/mmcFE/global/sidebar_pps.tpl
@@ -30,11 +30,11 @@
                     </tr>
                     <tr>
                       <td><b>Pool Invalid</b></td>
-                      <td class="right"><i>{$GLOBAL.roundshares.invalid|number_format}</i>{if $GLOBAL.roundshares.valid > 0}<font size='1px'> ({(100 / $GLOBAL.roundshares.valid * $GLOBAL.roundshares.invalid)|number_format:"2"}%)</font>{/if}</td>
+                      <td class="right"><i>{$GLOBAL.roundshares.invalid|number_format}</i>{if $GLOBAL.roundshares.valid > 0}<font size='1px'> ({($GLOBAL.roundshares.invalid / ($GLOBAL.roundshares.valid + $GLOBAL.roundshares.invalid) * 100)|number_format:"2"}%)</font>{/if}</td>
                     </tr>
                     <tr>
                       <td><b>Your Invalid</b></td>
-                      <td class="right"><i>{$GLOBAL.userdata.shares.invalid|number_format}</i>{if $GLOBAL.roundshares.valid > 0}<font size='1px'> ({(100 / $GLOBAL.roundshares.valid * $GLOBAL.userdata.shares.invalid)|number_format:"2"}%)</font>{/if}</td>
+                      <td class="right"><i>{$GLOBAL.userdata.shares.invalid|number_format}</i>{if $GLOBAL.roundshares.valid > 0}<font size='1px'> ({($GLOBAL.userdata.shares.invalid / ($GLOBAL.roundshares.valid + $GLOBAL.roundshares.invalid) * 100)|number_format:"2"}%)</font>{/if}</td>
                     </tr>
                     <tr><td colspan="2">&nbsp;</td></tr>
                     <tr><td colspan="2"><b><u>{$GLOBAL.config.currency} Estimates</u></b></td></tr>
diff --git a/public/templates/mmcFE/global/sidebar_prop.tpl b/public/templates/mmcFE/global/sidebar_prop.tpl
index c19c429d..a9b0e742 100644
--- a/public/templates/mmcFE/global/sidebar_prop.tpl
+++ b/public/templates/mmcFE/global/sidebar_prop.tpl
@@ -33,11 +33,11 @@
                     </tr>
                     <tr>
                       <td><b>Pool Invalid</b></td>
-                      <td class="right"><i>{$GLOBAL.roundshares.invalid|number_format}</i>{if $GLOBAL.roundshares.valid > 0}<font size='1px'> ({(100 / $GLOBAL.roundshares.valid * $GLOBAL.roundshares.invalid)|number_format:"2"}%)</font>{/if}</td>
+                      <td class="right"><i>{$GLOBAL.roundshares.invalid|number_format}</i>{if $GLOBAL.roundshares.valid > 0}<font size='1px'> ({($GLOBAL.roundshares.invalid / ($GLOBAL.roundshares.valid + $GLOBAL.roundshares.invalid) * 100)|number_format:"2"}%)</font>{/if}</td>
                     </tr>
                     <tr>
                       <td><b>Your Invalid</b></td>
-                      <td class="right"><i>{$GLOBAL.userdata.shares.invalid|number_format}</i>{if $GLOBAL.roundshares.valid > 0}<font size='1px'> ({(100 / $GLOBAL.roundshares.valid * $GLOBAL.userdata.shares.invalid)|number_format:"2"}%)</font>{/if}</td>
+                      <td class="right"><i>{$GLOBAL.userdata.shares.invalid|number_format}</i>{if $GLOBAL.roundshares.valid > 0}<font size='1px'> ({($GLOBAL.userdata.shares.invalid / ($GLOBAL.roundshares.valid + $GLOBAL.roundshares.invalid) * 100)|number_format:"2"}%)</font>{/if}</td>
                     </tr>
                     <tr>
                       <td colspan="2"><b><u>{$GLOBAL.config.currency} Round Estimate</u></b></td>
diff --git a/public/templates/mmcFE/statistics/pool/authenticated.tpl b/public/templates/mmcFE/statistics/pool/authenticated.tpl
index 832cecf3..394e762b 100644
--- a/public/templates/mmcFE/statistics/pool/authenticated.tpl
+++ b/public/templates/mmcFE/statistics/pool/authenticated.tpl
@@ -13,7 +13,7 @@
     </tr>
     <tr>
       <td class="leftheader">Pool Efficiency</td>
-      <td>{if $GLOBAL.roundshares.valid > 0}{(100 - (100 / $GLOBAL.roundshares.valid * $GLOBAL.roundshares.invalid))|number_format:"2"}{else}0{/if} %</td>
+      <td>{if $GLOBAL.roundshares.valid > 0}{($GLOBAL.roundshares.valid / ($GLOBAL.roundshares.valid + $GLOBAL.roundshares.invalid) * 100)|number_format:"2"}%{else}0%{/if}</td>
     </tr>
     <tr>
       <td class="leftheader">Current Active Workers</td>