-77.57% is the change from 981 to 220
Calculation steps:
[( 220 - 981 ) ÷ 981] x 100 = -77.57%
Formula
Percentage change = [(220 - 981) / 981] x 100
Subtract the new number by the original number
220 - 981 = -761
-761 ÷ 981 = -0.7757390417940877
-0.7757390417940877 x 100 = -77.57%