-21.68% is the change from 867 to 679
Calculation steps:
[( 679 - 867 ) ÷ 867] x 100 = -21.68%
Formula
Percentage change = [(679 - 867) / 867] x 100
Subtract the new number by the original number
679 - 867 = -188
-188 ÷ 867 = -0.21683967704728951
-0.21683967704728951 x 100 = -21.68%