-91.28% is the change from 986 to 86
Calculation steps:
[( 86 - 986 ) ÷ 986] x 100 = -91.28%
Formula
Percentage change = [(86 - 986) / 986] x 100
Subtract the new number by the original number
86 - 986 = -900
-900 ÷ 986 = -0.9127789046653144
-0.9127789046653144 x 100 = -91.28%