Question

a number when increased by 20 percent and then it is decreased by 20 percent. Find the net increase or decrease ​

Answer 1

let the number be 100

increase in number = 20/100 X 100 =20

increased number= 120

decrease in number = 20/120 X100 =16.6

decreased number = 120-16.6=103.4

net increase =3.4%