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It is expressing a change in the value of something as a percentage of its original value.

So, if the original value (V) changes to the new value (W) then the change is W - V.

Then, the relative change is (W - V)/V

and the percentage change is 100*(W - V)/V = 100*(W/V - 1)

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βˆ™ 2016-06-06 01:11:27
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Q: What does percent of change mean?
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