15.28% is the change from 72 to 83
Calculation steps:
[( 83 - 72 ) ÷ 72] x 100 = 15.28%
Formula
Percentage change = [(83 - 72) / 72] x 100
Subtract the new number by the original number
83 - 72 = 11
11 ÷ 72 = 0.1527777777777778
0.1527777777777778 x 100 = 15.28%