487.06% is the change from 170 to 998
Calculation steps:
[( 998 - 170 ) ÷ 170] x 100 = 487.06%
Formula
Percentage change = [(998 - 170) / 170] x 100
Subtract the new number by the original number
998 - 170 = 828
828 ÷ 170 = 4.870588235294117
4.870588235294117 x 100 = 487.06%