diff --git a/app/assets/javascripts/editor.js.erb b/app/assets/javascripts/editor.js.erb
index c69551bb..b40b93ec 100644
--- a/app/assets/javascripts/editor.js.erb
+++ b/app/assets/javascripts/editor.js.erb
@@ -706,7 +706,8 @@ $(function() {
   var renderScore = function() {
     var score = $('#score').data('score');
     var maxium_score = $('#score').data('maximum-score');
-    $('.score').html((score || '?') + ' / ' + maxium_score);
+    var percentage_score = score / maxium_score * 100
+    $('.score').html((percentage_score || 0) + ' % ');
     renderProgressBar(score, maxium_score);
   };