-90.04% is the change from 773 to 77
Calculation steps:
[( 77 - 773 ) ÷ 773] x 100 = -90.04%
Formula
Percentage change = [(77 - 773) / 773] x 100
Subtract the new number by the original number
77 - 773 = -696
-696 ÷ 773 = -0.9003880983182406
-0.9003880983182406 x 100 = -90.04%