-90.25% is the change from 790 to 77
Calculation steps:
[( 77 - 790 ) ÷ 790] x 100 = -90.25%
Formula
Percentage change = [(77 - 790) / 790] x 100
Subtract the new number by the original number
77 - 790 = -713
-713 ÷ 790 = -0.9025316455696203
-0.9025316455696203 x 100 = -90.25%