-4.23% is the change from 923 to 884
Calculation steps:
[( 884 - 923 ) ÷ 923] x 100 = -4.23%
Formula
Percentage change = [(884 - 923) / 923] x 100
Subtract the new number by the original number
884 - 923 = -39
-39 ÷ 923 = -0.04225352112676056
-0.04225352112676056 x 100 = -4.23%