diff --git a/source/IJSVGUnitLength.m b/source/IJSVGUnitLength.m
index 7843571..f290a98 100644
--- a/source/IJSVGUnitLength.m
+++ b/source/IJSVGUnitLength.m
@@ -58,7 +58,7 @@
 - (CGFloat)computeValue:(CGFloat)anotherValue
 {
     if(self.type == IJSVGUnitLengthTypePercentage) {
-        return ((anotherValue/100)*self.value);
+        return ((anotherValue/100.f)*(self.value*100.f));
     }
     return self.value;
 }
@@ -76,4 +76,9 @@
     return [NSString stringWithFormat:@"%g",self.value];
 }
 
+- (NSString *)description
+{
+    return [NSString stringWithFormat:@"%f%@",self.value,(self.type == IJSVGUnitLengthTypePercentage ? @"%" : @"")];
+}
+
 @end