-26.28% is the change from 879 to 648
Calculation steps:
[( 648 - 879 ) ÷ 879] x 100 = -26.28%
Formula
Percentage change = [(648 - 879) / 879] x 100
Subtract the new number by the original number
648 - 879 = -231
-231 ÷ 879 = -0.2627986348122867
-0.2627986348122867 x 100 = -26.28%