37.43% is the change from 171 to 235
Calculation steps:
[( 235 - 171 ) ÷ 171] x 100 = 37.43%
Formula
Percentage change = [(235 - 171) / 171] x 100
Subtract the new number by the original number
235 - 171 = 64
64 ÷ 171 = 0.3742690058479532
0.3742690058479532 x 100 = 37.43%