-2.16% is the change from 878 to 859
Calculation steps:
[( 859 - 878 ) ÷ 878] x 100 = -2.16%
Formula
Percentage change = [(859 - 878) / 878] x 100
Subtract the new number by the original number
859 - 878 = -19
-19 ÷ 878 = -0.02164009111617312
-0.02164009111617312 x 100 = -2.16%