387.06% is the change from 170 to 828
Calculation steps:
[( 828 - 170 ) ÷ 170] x 100 = 387.06%
Formula
Percentage change = [(828 - 170) / 170] x 100
Subtract the new number by the original number
828 - 170 = 658
658 ÷ 170 = 3.8705882352941177
3.8705882352941177 x 100 = 387.06%