-13.99% is the change from 879 to 756
Calculation steps:
[( 756 - 879 ) ÷ 879] x 100 = -13.99%
Formula
Percentage change = [(756 - 879) / 879] x 100
Subtract the new number by the original number
756 - 879 = -123
-123 ÷ 879 = -0.13993174061433447
-0.13993174061433447 x 100 = -13.99%