Income of Suman is first increased by 7% and then it is decreased by 7%. What is the change in her income?
Correct Answer: 0.49% (decrease)
Explanation:
In such case, there is always decrease.
Given that, a = (common increase or decreased) = 7% According to the formula,
Decreased Percentage = a2/100 %
= 72/100 %
= 0.49%