24.56% is the change from 57 to 71
Calculation steps:
[( 71 - 57 ) ÷ 57] x 100 = 24.56%
Formula
Percentage change = [(71 - 57) / 57] x 100
Subtract the new number by the original number
71 - 57 = 14
14 ÷ 57 = 0.24561403508771928
0.24561403508771928 x 100 = 24.56%