Question

A no. is increase by 40percent and than decrease by 40percent.Find the net increase or decrease percent

Answer 1

16 percent decrement.

Answer 2

net decrease =
$x - \frac{84x}{100}$
$= \frac{16x}{100}$
$decrease \: percentge = \frac{net \: decrease}{original \: number} \times 100$
decrease percentage =
$\frac{ \frac{16x}{100} }{x} \times 100$
The answer is 16%