20.83% is the change from 72 to 87
Calculation steps:
[( 87 - 72 ) ÷ 72] x 100 = 20.83%
Formula
Percentage change = [(87 - 72) / 72] x 100
Subtract the new number by the original number
87 - 72 = 15
15 ÷ 72 = 0.20833333333333334
0.20833333333333334 x 100 = 20.83%