393.55% is the change from 155 to 765
Calculation steps:
[( 765 - 155 ) ÷ 155] x 100 = 393.55%
Formula
Percentage change = [(765 - 155) / 155] x 100
Subtract the new number by the original number
765 - 155 = 610
610 ÷ 155 = 3.935483870967742
3.935483870967742 x 100 = 393.55%