-2.84% is the change from 950 to 923
Calculation steps:
[( 923 - 950 ) ÷ 950] x 100 = -2.84%
Formula
Percentage change = [(923 - 950) / 950] x 100
Subtract the new number by the original number
923 - 950 = -27
-27 ÷ 950 = -0.028421052631578948
-0.028421052631578948 x 100 = -2.84%