149.12% is the change from 171 to 426
Calculation steps:
[( 426 - 171 ) ÷ 171] x 100 = 149.12%
Formula
Percentage change = [(426 - 171) / 171] x 100
Subtract the new number by the original number
426 - 171 = 255
255 ÷ 171 = 1.4912280701754386
1.4912280701754386 x 100 = 149.12%