-9.97% is the change from 873 to 786
Calculation steps:
[( 786 - 873 ) ÷ 873] x 100 = -9.97%
Formula
Percentage change = [(786 - 873) / 873] x 100
Subtract the new number by the original number
786 - 873 = -87
-87 ÷ 873 = -0.09965635738831616
-0.09965635738831616 x 100 = -9.97%