255.29% is the change from 170 to 604
Calculation steps:
[( 604 - 170 ) ÷ 170] x 100 = 255.29%
Formula
Percentage change = [(604 - 170) / 170] x 100
Subtract the new number by the original number
604 - 170 = 434
434 ÷ 170 = 2.552941176470588
2.552941176470588 x 100 = 255.29%