diff --git a/util.go b/util.go
index 50d8cc6..5ce4e88 100644
--- a/util.go
+++ b/util.go
@@ -34,7 +34,9 @@ func FormatPercent(number float64) string {
 	if number*100 == float64(int(number*100)) {
 		return fmt.Sprintf("%d%%", int(number*100))
 	}
-	val := strings.TrimRight(fmt.Sprintf("%.2f", number*100), "0.")
+	val := fmt.Sprintf("%.2f", number*100)
+	val = strings.TrimRight(val, "0")
+	val = strings.TrimRight(val, ".")
 	return val + "%"
 }