24.56% is the change from 171 to 213
Calculation steps:
[( 213 - 171 ) ÷ 171] x 100 = 24.56%
Formula
Percentage change = [(213 - 171) / 171] x 100
Subtract the new number by the original number
213 - 171 = 42
42 ÷ 171 = 0.24561403508771928
0.24561403508771928 x 100 = 24.56%