Here are the rules : The fastest to shed 2 % of their body weight wins. To calculate 2 % just multiply .02 with your body weight and round off to the nearest .2 lbs.
Matisse, you're right! I was rounding up and forgot to change that bit. I don't know about scales in general, but mine does NOT do odd decimal points. But since you mentioned what you did then it's probably more common than I'd assume.