-30.13% is the change from 873 to 610
Calculation steps:
[( 610 - 873 ) ÷ 873] x 100 = -30.13%
Formula
Percentage change = [(610 - 873) / 873] x 100
Subtract the new number by the original number
610 - 873 = -263
-263 ÷ 873 = -0.30126002290950743
-0.30126002290950743 x 100 = -30.13%