-97.83% is the change from 923 to 20
Calculation steps:
[( 20 - 923 ) ÷ 923] x 100 = -97.83%
Formula
Percentage change = [(20 - 923) / 923] x 100
Subtract the new number by the original number
20 - 923 = -903
-903 ÷ 923 = -0.9783315276273022
-0.9783315276273022 x 100 = -97.83%