-77.87% is the change from 994 to 220
Calculation steps:
[( 220 - 994 ) ÷ 994] x 100 = -77.87%
Formula
Percentage change = [(220 - 994) / 994] x 100
Subtract the new number by the original number
220 - 994 = -774
-774 ÷ 994 = -0.778672032193159
-0.778672032193159 x 100 = -77.87%