Question

A number of first increased by 20% and the decreased by 20% what is net increase and decrease percentage

Answer 1

tricks-

Increased % - Decreased %

increase% × (-decre%)

+ -----------------------------------

100

20 × (- 20)

= 20 - 20 + ----------------

100

= 0 + (- 4)

= - 4%

If our answer is in -ve means 4% Decreased