diff --git a/INT69DC_7C/DataStore.cs b/INT69DC_7C/DataStore.cs
index db82067..fea436c 100644
--- a/INT69DC_7C/DataStore.cs
+++ b/INT69DC_7C/DataStore.cs
@@ -3754,7 +3754,7 @@ namespace INT69DC_7C
                     ret = 0.0;
                 else
                 {
-                    sValue = string.Format("{0:0.0}", ((double)this.ExNgTotalCount / (double)this.TotalCount) * 100);
+                    sValue = string.Format("{0:0.00}", ((double)this.ExNgTotalCount / (double)this.TotalCount) * 100.0);
                     ret = double.Parse(sValue);
                 }
 
diff --git a/INT69DC_7C/Forms/FormDataStatistics.cs b/INT69DC_7C/Forms/FormDataStatistics.cs
index b004a3b..7a7d047 100644
--- a/INT69DC_7C/Forms/FormDataStatistics.cs
+++ b/INT69DC_7C/Forms/FormDataStatistics.cs
@@ -437,10 +437,10 @@ namespace INT69DC_7C.Forms
             this.SetLabelText(this.labelTareRange, commonList.TareRange);
 
             this.SetLabelText(this.labelTotalCount, string.Format("{0}", commonList.TotalCount.ToString()));
-            this.SetLabelText(this.labelTotalUnderCount, string.Format("{0} / {1}", commonList.TotalUnderCount, commonList.TotalUnderPercentage));
-            this.SetLabelText(this.labelTotalPassCount, string.Format("{0} / {1}", commonList.TotalPassCount, commonList.TotalPassPercentage));
-            this.SetLabelText(this.labelTotalOverCount, string.Format("{0} / {1}", commonList.TotalOverCount, commonList.TotalOverPercentage));
-            this.SetLabelText(this.labelTotalExNgCount, string.Format("{0} / {1}", commonList.TotalExNgCount, commonList.TotalExNgPercentage));
+            this.SetLabelText(this.labelTotalUnderCount, string.Format("{0} / {1:0.00}", commonList.TotalUnderCount, commonList.TotalUnderPercentage));
+            this.SetLabelText(this.labelTotalPassCount, string.Format("{0} / {1:0.00}", commonList.TotalPassCount, commonList.TotalPassPercentage));
+            this.SetLabelText(this.labelTotalOverCount, string.Format("{0} / {1:0.00}", commonList.TotalOverCount, commonList.TotalOverPercentage));
+            this.SetLabelText(this.labelTotalExNgCount, string.Format("{0} / {1:0.00}", commonList.TotalExNgCount, commonList.TotalExNgPercentage));
             this.SetLabelText(this.labelTotalNGCount, string.Format("{0}", commonList.TotalNGCount.ToString()));
 
             this.SetLabelText(this.labelTotalPassAverage, string.Format("{0:0.000}", commonList.TotalPassAverageWeight));
@@ -452,21 +452,21 @@ namespace INT69DC_7C.Forms
             {
                 this.SetLabelText(this.CollectionPassCount[i], datas[i].PassTotalCount.ToString());
                 this.SetLabelText(this.CollectionPassAverage[i], string.Format("{0:0.000}", datas[i].PassAverage));
-                this.SetLabelText(this.CollectionPassPercentage[i], datas[i].PassPercentage.ToString());
+                this.SetLabelText(this.CollectionPassPercentage[i], string.Format("{0:0.00}", datas[i].PassPercentage));
                 this.SetLabelText(this.CollectionPassSD[i], string.Format("{0:0.00}", datas[i].PassStandardDeviation));
                 this.SetLabelText(this.CollectionPassMinWeight[i], Helper.DoubleToString(datas[i].PassMinWeight, 1));
                 this.SetLabelText(this.CollectionPassMaxWeight[i], Helper.DoubleToString(datas[i].PassMaxWeight, 1));
 
                 this.SetLabelText(this.CollectionOverCount[i], datas[i].OverTotalCount.ToString());
                 this.SetLabelText(this.CollectionOverSumWeight[i], Helper.DoubleToString(datas[i].OverSumWeight / 1000, 3));
-                this.SetLabelText(this.CollectionOverPercentage[i], datas[i].OverPercentage.ToString());
+                this.SetLabelText(this.CollectionOverPercentage[i], string.Format("{0:0.00}", datas[i].OverPercentage));
 
                 this.SetLabelText(this.CollectionUnderCount[i], datas[i].UnderTotalCount.ToString());
                 this.SetLabelText(this.CollectionUnderSumWeight[i], Helper.DoubleToString(datas[i].UnderSumWeight / 1000, 3));
-                this.SetLabelText(this.CollectionUnderPercentage[i], datas[i].UnderPercentage.ToString());
+                this.SetLabelText(this.CollectionUnderPercentage[i], string.Format("{0:0.00}", datas[i].UnderPercentage));
 
                 this.SetLabelText(this.CollectionExNgCount[i], datas[i].ExNgTotalCount.ToString());
-                this.SetLabelText(this.CollectionExNgPercentage[i], datas[i].ExNgPercentage.ToString());
+                this.SetLabelText(this.CollectionExNgPercentage[i], string.Format("{0:0.00}", datas[i].ExNgPercentage));
 
                 this.SetLabelText(this.CollectionTotalCount[i], datas[i].TotalCount.ToString());
                 this.SetLabelText(this.CollectionTotalNGCount[i], datas[i].TotalNGCount.ToString());