修复bug

operation_manager/src/main/java/com/huaxu/evaluation/service/impl/EvaluationResultServiceImpl.java

@@ -127,7 +127,7 @@ public class EvaluationResultServiceImpl implements EvaluationResultService {
         }
         for (EvaluationGradePercentageVo vo: list) {
             vo.setEvaluationGrade(gradMap.get(vo.getEvaluationGrade()));
-            vo.setPercentage(new BigDecimal(vo.getPercentage()).divide(total,2, RoundingMode.UNNECESSARY).multiply(new BigDecimal("100")).setScale(0, RoundingMode.UNNECESSARY ) + "%");
+            vo.setPercentage(new BigDecimal(vo.getPercentage()).divide(total,2, RoundingMode.UNNECESSARY).multiply(new BigDecimal("100")).setScale(0, RoundingMode.UNNECESSARY ).toString());
         }
         return list;
     }