-91.38% is the change from 986 to 85
Calculation steps:
[( 85 - 986 ) ÷ 986] x 100 = -91.38%
Formula
Percentage change = [(85 - 986) / 986] x 100
Subtract the new number by the original number
85 - 986 = -901
-901 ÷ 986 = -0.9137931034482759
-0.9137931034482759 x 100 = -91.38%