-97.79% is the change from 904 to 20
Calculation steps:
[( 20 - 904 ) ÷ 904] x 100 = -97.79%
Formula
Percentage change = [(20 - 904) / 904] x 100
Subtract the new number by the original number
20 - 904 = -884
-884 ÷ 904 = -0.9778761061946902
-0.9778761061946902 x 100 = -97.79%