340% is the change from 175 to 770
Calculation steps:
[( 770 - 175 ) ÷ 175] x 100 = 340%
Formula
Percentage change = [(770 - 175) / 175] x 100
Subtract the new number by the original number
770 - 175 = 595
595 ÷ 175 = 3.4
3.4 x 100 = 340%
Example