26.39% is the change from 72 to 91
Calculation steps:
[( 91 - 72 ) ÷ 72] x 100 = 26.39%
Formula
Percentage change = [(91 - 72) / 72] x 100
Subtract the new number by the original number
91 - 72 = 19
19 ÷ 72 = 0.2638888888888889
0.2638888888888889 x 100 = 26.39%