-48.1% is the change from 923 to 479
Calculation steps:
[( 479 - 923 ) ÷ 923] x 100 = -48.1%
Formula
Percentage change = [(479 - 923) / 923] x 100
Subtract the new number by the original number
479 - 923 = -444
-444 ÷ 923 = -0.4810400866738895
-0.4810400866738895 x 100 = -48.1%