377.06% is the change from 170 to 811
Calculation steps:
[( 811 - 170 ) ÷ 170] x 100 = 377.06%
Formula
Percentage change = [(811 - 170) / 170] x 100
Subtract the new number by the original number
811 - 170 = 641
641 ÷ 170 = 3.7705882352941176
3.7705882352941176 x 100 = 377.06%