-97.77% is the change from 898 to 20
Calculation steps:
[( 20 - 898 ) ÷ 898] x 100 = -97.77%
Formula
Percentage change = [(20 - 898) / 898] x 100
Subtract the new number by the original number
20 - 898 = -878
-878 ÷ 898 = -0.977728285077951
-0.977728285077951 x 100 = -97.77%