-2.49% is the change from 923 to 900
Calculation steps:
[( 900 - 923 ) ÷ 923] x 100 = -2.49%
Formula
Percentage change = [(900 - 923) / 923] x 100
Subtract the new number by the original number
900 - 923 = -23
-23 ÷ 923 = -0.024918743228602384
-0.024918743228602384 x 100 = -2.49%