Example 12 : A number is increased by 20% and then it is decreased by 20%. Find the net increase or decrease per cent. Example 12 : A number is increased by 20% and then it is decreased by 20%. Find the net increase or decrease per cent. August 1, 2021 Category: Chapter 8 - Comparing Quantities , Maths , NCERT Class 8 , Facebook Messenger WhatsApp Share this:TwitterFacebook Related