-0.34% is the change from 878 to 875
Calculation steps:
[( 875 - 878 ) ÷ 878] x 100 = -0.34%
Formula
Percentage change = [(875 - 878) / 878] x 100
Subtract the new number by the original number
875 - 878 = -3
-3 ÷ 878 = -0.003416856492027335
-0.003416856492027335 x 100 = -0.34%