-84.1% is the change from 981 to 156
Calculation steps:
[( 156 - 981 ) ÷ 981] x 100 = -84.1%
Formula
Percentage change = [(156 - 981) / 981] x 100
Subtract the new number by the original number
156 - 981 = -825
-825 ÷ 981 = -0.8409785932721713
-0.8409785932721713 x 100 = -84.1%