-21.14% is the change from 861 to 679
Calculation steps:
[( 679 - 861 ) ÷ 861] x 100 = -21.14%
Formula
Percentage change = [(679 - 861) / 861] x 100
Subtract the new number by the original number
679 - 861 = -182
-182 ÷ 861 = -0.21138211382113822
-0.21138211382113822 x 100 = -21.14%