-49.08% is the change from 923 to 470
Calculation steps:
[( 470 - 923 ) ÷ 923] x 100 = -49.08%
Formula
Percentage change = [(470 - 923) / 923] x 100
Subtract the new number by the original number
470 - 923 = -453
-453 ÷ 923 = -0.49079089924160346
-0.49079089924160346 x 100 = -49.08%