-16.26% is the change from 861 to 721
Calculation steps:
[( 721 - 861 ) ÷ 861] x 100 = -16.26%
Formula
Percentage change = [(721 - 861) / 861] x 100
Subtract the new number by the original number
721 - 861 = -140
-140 ÷ 861 = -0.16260162601626016
-0.16260162601626016 x 100 = -16.26%