157.65% is the change from 170 to 438
Calculation steps:
[( 438 - 170 ) ÷ 170] x 100 = 157.65%
Formula
Percentage change = [(438 - 170) / 170] x 100
Subtract the new number by the original number
438 - 170 = 268
268 ÷ 170 = 1.576470588235294
1.576470588235294 x 100 = 157.65%