-18.66% is the change from 879 to 715
Calculation steps:
[( 715 - 879 ) ÷ 879] x 100 = -18.66%
Formula
Percentage change = [(715 - 879) / 879] x 100
Subtract the new number by the original number
715 - 879 = -164
-164 ÷ 879 = -0.18657565415244595
-0.18657565415244595 x 100 = -18.66%