The salary of a worker is first increased by 8% and then it is decreased by 8%. What is the percentage change in his salary?
Show answer & explanation
Correct answer: D
Explanation
The correct answer is option 4 i.e. 0.64%.
Net change = x + y - xy/100
⇒ +8 - 8 - 8 × 8/100
⇒ -64/100 = 0.64%