-84.25% is the change from 984 to 155
Calculation steps:
[( 155 - 984 ) ÷ 984] x 100 = -84.25%
Formula
Percentage change = [(155 - 984) / 984] x 100
Subtract the new number by the original number
155 - 984 = -829
-829 ÷ 984 = -0.842479674796748
-0.842479674796748 x 100 = -84.25%