-47.02% is the change from 923 to 489
Calculation steps:
[( 489 - 923 ) ÷ 923] x 100 = -47.02%
Formula
Percentage change = [(489 - 923) / 923] x 100
Subtract the new number by the original number
489 - 923 = -434
-434 ÷ 923 = -0.47020585048754066
-0.47020585048754066 x 100 = -47.02%