The price of an article increases by 20% and then decreases by 20%. What is the net percentage change?

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A 0%
B 4% decrease
C 4% increase
D 2% decrease

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Answer: B. 4% decrease

Let the price be 100. After a 20% increase it becomes 120. A 20% decrease on 120 is 24, so the price becomes 96. Net change = 100 - 96 = 4, a 4% decrease.

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The price of an article increases by 20% and then decreases by 20%. What is the net percentage change?

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