-83.84% is the change from 984 to 159
Calculation steps:
[( 159 - 984 ) ÷ 984] x 100 = -83.84%
Formula
Percentage change = [(159 - 984) / 984] x 100
Subtract the new number by the original number
159 - 984 = -825
-825 ÷ 984 = -0.8384146341463414
-0.8384146341463414 x 100 = -83.84%