-20.95% is the change from 859 to 679
Calculation steps:
[( 679 - 859 ) ÷ 859] x 100 = -20.95%
Formula
Percentage change = [(679 - 859) / 859] x 100
Subtract the new number by the original number
679 - 859 = -180
-180 ÷ 859 = -0.20954598370197905
-0.20954598370197905 x 100 = -20.95%