src/Hotline.Share/Dtos/CallCenter/QueryCallsDetailDto.cs

@@ -108,7 +108,7 @@
             if (Count <= 0 || Quantity <= 0)
                 return 0;
 
-            return Math.Round((Quantity / (double)Count) * 100, 3);
+            return Math.Round((Count / (double)Quantity) * 100, 3);
         }
 
         /// <summary>