150.29% is the change from 171 to 428
Calculation steps:
[( 428 - 171 ) ÷ 171] x 100 = 150.29%
Formula
Percentage change = [(428 - 171) / 171] x 100
Subtract the new number by the original number
428 - 171 = 257
257 ÷ 171 = 1.5029239766081872
1.5029239766081872 x 100 = 150.29%