SOLUTION: How do I figure the percentage of reducing a weekly occurence from 15 to 2?

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Question 624595: How do I figure the percentage of reducing a weekly occurence from 15 to 2?
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
How do I figure the percentage of reducing a weekly occurence from 15 to 2?
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It's a change of 13
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13/15 = 0.8666...
--> 86.666... %
=~ 87% reduction
A change of -87% some would say.