lowing-best-explains-the-correct-percent-changes-and-why-the-denominator-matters

Question

Compare the percent change for the following two scenarios:
Scenario A: A value decreases from $200$ to $150$ .
Scenario B: A value increases from $150$ to $200$ .
Which pair represents the correct percent changes?

Accepted Answer

Store A: −25%-25\%; Store B: +3313%\displaystyle+33\frac{1}{3}\%

Answer

Store A: −25%-25\%; Store B: +25%+25\%

Answer

Store A: −3313%\displaystyle-33\frac{1}{3}\%; Store B: +25%+25\%

Answer

Store A: −50%-50\%; Store B: +50%+50\%