-27.26% is the change from 873 to 635
Calculation steps:
[( 635 - 873 ) ÷ 873] x 100 = -27.26%
Formula
Percentage change = [(635 - 873) / 873] x 100
Subtract the new number by the original number
635 - 873 = -238
-238 ÷ 873 = -0.27262313860252
-0.27262313860252 x 100 = -27.26%