-9.51% is the change from 873 to 790
Calculation steps:
[( 790 - 873 ) ÷ 873] x 100 = -9.51%
Formula
Percentage change = [(790 - 873) / 873] x 100
Subtract the new number by the original number
790 - 873 = -83
-83 ÷ 873 = -0.09507445589919816
-0.09507445589919816 x 100 = -9.51%