-4.64% is the change from 906 to 864
Calculation steps:
[( 864 - 906 ) ÷ 906] x 100 = -4.64%
Formula
Percentage change = [(864 - 906) / 906] x 100
Subtract the new number by the original number
864 - 906 = -42
-42 ÷ 906 = -0.046357615894039736
-0.046357615894039736 x 100 = -4.64%