-10.31% is the change from 873 to 783
Calculation steps:
[( 783 - 873 ) ÷ 873] x 100 = -10.31%
Formula
Percentage change = [(783 - 873) / 873] x 100
Subtract the new number by the original number
783 - 873 = -90
-90 ÷ 873 = -0.10309278350515463
-0.10309278350515463 x 100 = -10.31%