-97.25% is the change from 873 to 24
Calculation steps:
[( 24 - 873 ) ÷ 873] x 100 = -97.25%
Formula
Percentage change = [(24 - 873) / 873] x 100
Subtract the new number by the original number
24 - 873 = -849
-849 ÷ 873 = -0.9725085910652921
-0.9725085910652921 x 100 = -97.25%