-84.99% is the change from 873 to 131
Calculation steps:
[( 131 - 873 ) ÷ 873] x 100 = -84.99%
Formula
Percentage change = [(131 - 873) / 873] x 100
Subtract the new number by the original number
131 - 873 = -742
-742 ÷ 873 = -0.849942726231386
-0.849942726231386 x 100 = -84.99%