377.65% is the change from 170 to 812
Calculation steps:
[( 812 - 170 ) ÷ 170] x 100 = 377.65%
Formula
Percentage change = [(812 - 170) / 170] x 100
Subtract the new number by the original number
812 - 170 = 642
642 ÷ 170 = 3.776470588235294
3.776470588235294 x 100 = 377.65%