-91.35% is the change from 983 to 85
Calculation steps:
[( 85 - 983 ) ÷ 983] x 100 = -91.35%
Formula
Percentage change = [(85 - 983) / 983] x 100
Subtract the new number by the original number
85 - 983 = -898
-898 ÷ 983 = -0.91353001017294
-0.91353001017294 x 100 = -91.35%