-18.91% is the change from 878 to 712
Calculation steps:
[( 712 - 878 ) ÷ 878] x 100 = -18.91%
Formula
Percentage change = [(712 - 878) / 878] x 100
Subtract the new number by the original number
712 - 878 = -166
-166 ÷ 878 = -0.18906605922551253
-0.18906605922551253 x 100 = -18.91%