-9.62% is the change from 873 to 789
Calculation steps:
[( 789 - 873 ) ÷ 873] x 100 = -9.62%
Formula
Percentage change = [(789 - 873) / 873] x 100
Subtract the new number by the original number
789 - 873 = -84
-84 ÷ 873 = -0.09621993127147767
-0.09621993127147767 x 100 = -9.62%