Index: source/tools/profiler2/profiler2.js
===================================================================
--- source/tools/profiler2/profiler2.js
+++ source/tools/profiler2/profiler2.js
@@ -378,13 +378,17 @@
         table_output += "<td>" + time_label(report.sorted_data[report.sorted_data.length-1]) + "</td>"
         let frames_better = 0;
         let frames_diff = 0;
+        let actual_frames = 0;
         for (let f in report.time_data)
         {
-            if (report.time_data[f] <= reports_data[0].time_data[f])
+            if (report.time_data[f] == 0.0 && reports_data[0].time_data[f] == 0.0)
+                continue;
+            actual_frames++;
+            if (report.time_data[f] < reports_data[0].time_data[f])
                 frames_better++;
             frames_diff += report.time_data[f] - reports_data[0].time_data[f];
         }
-        table_output += "<td>" + (frames_better/frames_nb*100).toFixed(0) + "%</td><td>" + time_label((frames_diff/frames_nb),2) + "</td>";
+        table_output += "<td>" + (frames_better/actual_frames*100).toFixed(0) + "%</td><td>" + time_label((frames_diff/actual_frames),2) + "</td>";
         table_output += "</tr>";
     }
     section.innerHTML += table_output + "</table>";