-0.46% is the change from 861 to 857
Calculation steps:
[( 857 - 861 ) ÷ 861] x 100 = -0.46%
Formula
Percentage change = [(857 - 861) / 861] x 100
Subtract the new number by the original number
857 - 861 = -4
-4 ÷ 861 = -0.004645760743321719
-0.004645760743321719 x 100 = -0.46%