-0.12% is the change from 846 to 845
Calculation steps:
[( 845 - 846 ) ÷ 846] x 100 = -0.12%
Formula
Percentage change = [(845 - 846) / 846] x 100
Subtract the new number by the original number
845 - 846 = -1
-1 ÷ 846 = -0.001182033096926714
-0.001182033096926714 x 100 = -0.12%