57.56% is the change from 172 to 271
Calculation steps:
[( 271 - 172 ) ÷ 172] x 100 = 57.56%
Formula
Percentage change = [(271 - 172) / 172] x 100
Subtract the new number by the original number
271 - 172 = 99
99 ÷ 172 = 0.5755813953488372
0.5755813953488372 x 100 = 57.56%