-15.59% is the change from 879 to 742
Calculation steps:
[( 742 - 879 ) ÷ 879] x 100 = -15.59%
Formula
Percentage change = [(742 - 879) / 879] x 100
Subtract the new number by the original number
742 - 879 = -137
-137 ÷ 879 = -0.1558589306029579
-0.1558589306029579 x 100 = -15.59%