19.3% is the change from 171 to 204
Calculation steps:
[( 204 - 171 ) ÷ 171] x 100 = 19.3%
Formula
Percentage change = [(204 - 171) / 171] x 100
Subtract the new number by the original number
204 - 171 = 33
33 ÷ 171 = 0.19298245614035087
0.19298245614035087 x 100 = 19.3%