-89.03% is the change from 775 to 85
Calculation steps:
[( 85 - 775 ) ÷ 775] x 100 = -89.03%
Formula
Percentage change = [(85 - 775) / 775] x 100
Subtract the new number by the original number
85 - 775 = -690
-690 ÷ 775 = -0.8903225806451613
-0.8903225806451613 x 100 = -89.03%