--- a/Number.st	Wed May 04 17:51:54 2016 +0200
+++ b/Number.st	Wed May 04 17:53:29 2016 +0200
@@ -1054,14 +1054,16 @@
     ^ self.
 !
 
-asPercentFrom:hundredPercent
-    "how many percent is the receiver of the argument"
+asPercentFrom:fullAmount
+    "what is the percentage
+     taking the receiver's value from the argument"
     
-    ^ (self / hundredPercent) * 100.
+    ^ (self / fullAmount) * 100.
 
     "
      20 asPercentFrom:100
      (10 asPercentFrom:156) asFixedPoint:2
+     (15.6 asPercentFrom:156) asFixedPoint:2
     "
 !