370.59% is the change from 170 to 800
Calculation steps:
[( 800 - 170 ) ÷ 170] x 100 = 370.59%
Formula
Percentage change = [(800 - 170) / 170] x 100
Subtract the new number by the original number
800 - 170 = 630
630 ÷ 170 = 3.7058823529411766
3.7058823529411766 x 100 = 370.59%