diff --git a/uVote/api/votes/votes.php b/uVote/api/votes/votes.php
index 2dfbc65..9cc578a 100644
--- a/uVote/api/votes/votes.php
+++ b/uVote/api/votes/votes.php
@@ -7,8 +7,8 @@ class votes {
         $res = \DBD\UVOTE_DATA_GRAPH_BT_TO_UVOTE_OVERALL_BY_TIME::QQ(array($timespan));
         while ($row = $res->next()){
             $result[] = array(  0 => $row['day'],
-                                'class_match' => $row['class_match'] / ($row['class_match']+$row['class_mismatch']+1),
-                                'class_mismatch' => $row['class_mismatch'] / ($row['class_match']+$row['class_mismatch']+1));
+                                'class_match' => $row['class_match'] > 0 ? round($row['class_match'] / ($row['class_match']+$row['class_mismatch']),2) : 0,
+                                'class_mismatch' => $row['class_match'] > 0 ? round($row['class_mismatch'] / ($row['class_match']+$row['class_mismatch']),2) : 0);
         }
         return $returnasjson ? SYSTEM\LOG\JsonResult::toString($result) : $result;
     }
diff --git a/uVote/page/default_page/js/loadtexts.js b/uVote/page/default_page/js/loadtexts.js
index d5b2fc9..4f9b211 100644
--- a/uVote/page/default_page/js/loadtexts.js
+++ b/uVote/page/default_page/js/loadtexts.js
@@ -266,7 +266,8 @@ function load_visualisation(id, timespan){
             data.addRow($.map(value, function(v) { if(first){first=false;return [new Date(v)];}else{return [parseFloat(v)];}}));});
          
         console.log(data);
-        var options = {title: id, aggregationTarget: 'category', selectionMode: 'multiple', curveType: 'function', /*focusTarget: 'category',*/ chartArea:{},  vAxis:{logScale: false}, interpolateNulls: false,  width: "300", height: "250"};
-        new google.visualization.LineChart(document.getElementById(id)).draw(data, options);
+        var options = {title: id, aggregationTarget: 'category', selectionMode: 'multiple', /*curveType: 'function',*/ /*focusTarget: 'category',*/ chartArea:{},  vAxis:{format:'#%', logScale: false}, interpolateNulls: false,  width: "300", height: "250"};
+        //LineChart
+        new google.visualization.ColumnChart(document.getElementById(id)).draw(data, options);
     });
 }
\ No newline at end of file