-97.36% is the change from 794 to 21
Calculation steps:
[( 21 - 794 ) ÷ 794] x 100 = -97.36%
Formula
Percentage change = [(21 - 794) / 794] x 100
Subtract the new number by the original number
21 - 794 = -773
-773 ÷ 794 = -0.9735516372795969
-0.9735516372795969 x 100 = -97.36%