diff --git a/epmet-module/data-statistical/data-statistical-server/src/main/java/com/epmet/service/screen/impl/ScreenCollServiceImpl.java b/epmet-module/data-statistical/data-statistical-server/src/main/java/com/epmet/service/screen/impl/ScreenCollServiceImpl.java
index bd277c3823..e67ebf4b60 100644
--- a/epmet-module/data-statistical/data-statistical-server/src/main/java/com/epmet/service/screen/impl/ScreenCollServiceImpl.java
+++ b/epmet-module/data-statistical/data-statistical-server/src/main/java/com/epmet/service/screen/impl/ScreenCollServiceImpl.java
@@ -389,8 +389,9 @@ public class ScreenCollServiceImpl implements ScreenCollService {
      * @Date 15:38 2020-08-21
      **/
     private BigDecimal calculateGrowthRateNumber(Integer old, Integer now){
-        int number = (now - old) / old * NumConstant.ONE_HUNDRED;
-        return new BigDecimal(number);
+        BigDecimal bignum1 = new BigDecimal((now - old) * NumConstant.ONE_HUNDRED);
+        BigDecimal bignum2  = bignum1.divide(new BigDecimal(old),2,BigDecimal.ROUND_HALF_UP);
+        return bignum2;
     }
 
     /**