-2.09% is the change from 863 to 845
Calculation steps:
[( 845 - 863 ) ÷ 863] x 100 = -2.09%
Formula
Percentage change = [(845 - 863) / 863] x 100
Subtract the new number by the original number
845 - 863 = -18
-18 ÷ 863 = -0.02085747392815759
-0.02085747392815759 x 100 = -2.09%