Calculating % Lost

Old 07-25-2012, 03:06 PM
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Question Calculating % Lost

I have joined the 10% by Columbus day challange, but haven't been able to figure formula for % lost. I even asked someone with a bunch of math in her background, but we came up with some really funky numbers... Can some one please give me an algebra style formula so I can quit tearing my hair out? is offline  
Old 07-25-2012, 03:55 PM
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(weight lost/original weigh) x 100 = % of original weight lost


(10lbs/200lbs) x100 = 5%

to work out what 10% of your current weight is simply divide your weight by 100, which gives you 1% of your weight and then times by 10 which is the percentage you want so say you way 200lbs and you want 10% of 200lbs

(200/100) = 2 (which is 1% of 200)

2 x 10 = 20lbs

so 20lbs is 10% of 200lbs
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Old 07-26-2012, 02:49 PM
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Thank you... We were trying current weight/start weight... It just didn't look right to either of us! is offline  

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