Question

What is percent change?

Answer 1

If `x` is some changing quantity, and `Delta x` be the change in `x`-value, then the percentage change can be found by

`{Delta x}/x times 100`

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Example

What is the percentage change (discount) of $12 discount on $300 item?

`{12}/{300} times 100=4%` discount

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I hope that this was helpful.