Question

The population of a city decreased from 25000 to 24500 find the percentage of decrease.

Answer 1

Percentage of decrease=

$\frac{number \: of \: persons \: decresed}{actual \: number \: of \: persons} \times 100\% \\ = \frac{25000 - 24500}{25000} \times 100\% \\ = \frac{500}{250} \% \\ = 2\%$