-1.86% is the change from 861 to 845
Calculation steps:
[( 845 - 861 ) ÷ 861] x 100 = -1.86%
Formula
Percentage change = [(845 - 861) / 861] x 100
Subtract the new number by the original number
845 - 861 = -16
-16 ÷ 861 = -0.018583042973286876
-0.018583042973286876 x 100 = -1.86%