-75.72% is the change from 906 to 220
Calculation steps:
[( 220 - 906 ) ÷ 906] x 100 = -75.72%
Formula
Percentage change = [(220 - 906) / 906] x 100
Subtract the new number by the original number
220 - 906 = -686
-686 ÷ 906 = -0.7571743929359823
-0.7571743929359823 x 100 = -75.72%