20% is the change from 800 to 960
Calculation steps:
[( 960 - 800 ) ÷ 800] x 100 = 20%
Formula
Percentage change = [(960 - 800) / 800] x 100
Subtract the new number by the original number
960 - 800 = 160
160 ÷ 800 = 0.2
0.2 x 100 = 20%
Example