-83.93% is the change from 983 to 158
Calculation steps:
[( 158 - 983 ) ÷ 983] x 100 = -83.93%
Formula
Percentage change = [(158 - 983) / 983] x 100
Subtract the new number by the original number
158 - 983 = -825
-825 ÷ 983 = -0.8392675483214649
-0.8392675483214649 x 100 = -83.93%