-20.5% is the change from 878 to 698
Calculation steps:
[( 698 - 878 ) ÷ 878] x 100 = -20.5%
Formula
Percentage change = [(698 - 878) / 878] x 100
Subtract the new number by the original number
698 - 878 = -180
-180 ÷ 878 = -0.20501138952164008
-0.20501138952164008 x 100 = -20.5%