350% is the change from 170 to 765
Calculation steps:
[( 765 - 170 ) ÷ 170] x 100 = 350%
Formula
Percentage change = [(765 - 170) / 170] x 100
Subtract the new number by the original number
765 - 170 = 595
595 ÷ 170 = 3.5
3.5 x 100 = 350%
Example