-15.02% is the change from 879 to 747
Calculation steps:
[( 747 - 879 ) ÷ 879] x 100 = -15.02%
Formula
Percentage change = [(747 - 879) / 879] x 100
Subtract the new number by the original number
747 - 879 = -132
-132 ÷ 879 = -0.15017064846416384
-0.15017064846416384 x 100 = -15.02%