20% is the change from 80 to 96
Calculation steps:
[( 96 - 80 ) ÷ 80] x 100 = 20%
Formula
Percentage change = [(96 - 80) / 80] x 100
Subtract the new number by the original number
96 - 80 = 16
16 ÷ 80 = 0.2
0.2 x 100 = 20%
Example