-75.31% is the change from 891 to 220
Calculation steps:
[( 220 - 891 ) ÷ 891] x 100 = -75.31%
Formula
Percentage change = [(220 - 891) / 891] x 100
Subtract the new number by the original number
220 - 891 = -671
-671 ÷ 891 = -0.7530864197530864
-0.7530864197530864 x 100 = -75.31%