-46.15% is the change from 923 to 497
Calculation steps:
[( 497 - 923 ) ÷ 923] x 100 = -46.15%
Formula
Percentage change = [(497 - 923) / 923] x 100
Subtract the new number by the original number
497 - 923 = -426
-426 ÷ 923 = -0.46153846153846156
-0.46153846153846156 x 100 = -46.15%