32.16% is the change from 171 to 226
Calculation steps:
[( 226 - 171 ) ÷ 171] x 100 = 32.16%
Formula
Percentage change = [(226 - 171) / 171] x 100
Subtract the new number by the original number
226 - 171 = 55
55 ÷ 171 = 0.3216374269005848
0.3216374269005848 x 100 = 32.16%