-13.33% is the change from 923 to 800
Calculation steps:
[( 800 - 923 ) ÷ 923] x 100 = -13.33%
Formula
Percentage change = [(800 - 923) / 923] x 100
Subtract the new number by the original number
800 - 923 = -123
-123 ÷ 923 = -0.13326110509209102
-0.13326110509209102 x 100 = -13.33%