-74.03% is the change from 847 to 220
Calculation steps:
[( 220 - 847 ) ÷ 847] x 100 = -74.03%
Formula
Percentage change = [(220 - 847) / 847] x 100
Subtract the new number by the original number
220 - 847 = -627
-627 ÷ 847 = -0.7402597402597403
-0.7402597402597403 x 100 = -74.03%