28.57% is the change from 56 to 72
Calculation steps:
[( 72 - 56 ) ÷ 56] x 100 = 28.57%
Formula
Percentage change = [(72 - 56) / 56] x 100
Subtract the new number by the original number
72 - 56 = 16
16 ÷ 56 = 0.2857142857142857
0.2857142857142857 x 100 = 28.57%