-30.01% is the change from 873 to 611
Calculation steps:
[( 611 - 873 ) ÷ 873] x 100 = -30.01%
Formula
Percentage change = [(611 - 873) / 873] x 100
Subtract the new number by the original number
611 - 873 = -262
-262 ÷ 873 = -0.30011454753722794
-0.30011454753722794 x 100 = -30.01%