-51.46% is the change from 923 to 448
Calculation steps:
[( 448 - 923 ) ÷ 923] x 100 = -51.46%
Formula
Percentage change = [(448 - 923) / 923] x 100
Subtract the new number by the original number
448 - 923 = -475
-475 ÷ 923 = -0.514626218851571
-0.514626218851571 x 100 = -51.46%