-20.62% is the change from 878 to 697
Calculation steps:
[( 697 - 878 ) ÷ 878] x 100 = -20.62%
Formula
Percentage change = [(697 - 878) / 878] x 100
Subtract the new number by the original number
697 - 878 = -181
-181 ÷ 878 = -0.2061503416856492
-0.2061503416856492 x 100 = -20.62%