-7.33% is the change from 873 to 809
Calculation steps:
[( 809 - 873 ) ÷ 873] x 100 = -7.33%
Formula
Percentage change = [(809 - 873) / 873] x 100
Subtract the new number by the original number
809 - 873 = -64
-64 ÷ 873 = -0.07331042382588775
-0.07331042382588775 x 100 = -7.33%