-10.19% is the change from 873 to 784
Calculation steps:
[( 784 - 873 ) ÷ 873] x 100 = -10.19%
Formula
Percentage change = [(784 - 873) / 873] x 100
Subtract the new number by the original number
784 - 873 = -89
-89 ÷ 873 = -0.10194730813287514
-0.10194730813287514 x 100 = -10.19%