147.37% is the change from 171 to 423
Calculation steps:
[( 423 - 171 ) ÷ 171] x 100 = 147.37%
Formula
Percentage change = [(423 - 171) / 171] x 100
Subtract the new number by the original number
423 - 171 = 252
252 ÷ 171 = 1.4736842105263157
1.4736842105263157 x 100 = 147.37%