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IVYLASS SparkPoints: (199,726)
Fitness Minutes: (69,060)
Posts: 7,137
2/1/14 9:26 A

Here is a calculator you can use. At the bottom it explains how to do the math.

www.basic-mathematics.com/percent-of-decre
ase-calculator.html


XHUNTERX Posts: 974
2/1/14 7:43 A

[Pounds Lost (8)] x [100] / [Starting weight (167)] = 4.8

8 pounds is the 4,8% of 167 and that's the % of the weight you have lost.

If you use your current weight like this
(8) x (100) / (159) = 5
it would be like saying that you have lost 5% of the 159 pounds that you weigh, which isn't true because you still weigh 159lb. You can't use your current weight, you always have to use the starting weight.



LIGHTANDFLIGHT SparkPoints: (340)
Fitness Minutes: (0)
Posts: 31
2/1/14 6:20 A

When you calculate percentage of weight lost, do you use the starting weight, or your current weight?

For example, I started at 167lbs, and Ive lost 8 lbs. If I use the original weight, I've lost 4% but if I use my current weight, Ive lost 5%.

That difference between those two percents is just going to get bigger with the loss in weight, so I feel like I should know which # I should be using. :-)

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