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If a number is increased by 40% and then decreased by 25%, what is the net percentage change?
A+5%
B+10%
C+15%
D−5%
Answer & Solution
Correct answer: A. +5%
1. Let original = 100.
2. After +40%: 100 × 1.40 = 140.
3. After −25%: 140 × 0.75 = 105.
4. Net change = (105 − 100)/100 = +5%.
_Source: jkchrome Percentage QB, p.1 — successive change pattern_
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