11.11% is the change from 72 to 80
Calculation steps:
[( 80 - 72 ) ÷ 72] x 100 = 11.11%
Formula
Percentage change = [(80 - 72) / 72] x 100
Subtract the new number by the original number
80 - 72 = 8
8 ÷ 72 = 0.1111111111111111
0.1111111111111111 x 100 = 11.11%