-7.56% is the change from 873 to 807
Calculation steps:
[( 807 - 873 ) ÷ 873] x 100 = -7.56%
Formula
Percentage change = [(807 - 873) / 873] x 100
Subtract the new number by the original number
807 - 873 = -66
-66 ÷ 873 = -0.07560137457044673
-0.07560137457044673 x 100 = -7.56%