-7.9% is the change from 873 to 804
Calculation steps:
[( 804 - 873 ) ÷ 873] x 100 = -7.9%
Formula
Percentage change = [(804 - 873) / 873] x 100
Subtract the new number by the original number
804 - 873 = -69
-69 ÷ 873 = -0.07903780068728522
-0.07903780068728522 x 100 = -7.9%