-90.46% is the change from 807 to 77
Calculation steps:
[( 77 - 807 ) ÷ 807] x 100 = -90.46%
Formula
Percentage change = [(77 - 807) / 807] x 100
Subtract the new number by the original number
77 - 807 = -730
-730 ÷ 807 = -0.9045848822800495
-0.9045848822800495 x 100 = -90.46%