128.82% is the change from 170 to 389
Calculation steps:
[( 389 - 170 ) ÷ 170] x 100 = 128.82%
Formula
Percentage change = [(389 - 170) / 170] x 100
Subtract the new number by the original number
389 - 170 = 219
219 ÷ 170 = 1.2882352941176471
1.2882352941176471 x 100 = 128.82%