-91.35% is the change from 994 to 86
Calculation steps:
[( 86 - 994 ) ÷ 994] x 100 = -91.35%
Formula
Percentage change = [(86 - 994) / 994] x 100
Subtract the new number by the original number
86 - 994 = -908
-908 ÷ 994 = -0.9134808853118712
-0.9134808853118712 x 100 = -91.35%