-39.87% is the change from 923 to 555
Calculation steps:
[( 555 - 923 ) ÷ 923] x 100 = -39.87%
Formula
Percentage change = [(555 - 923) / 923] x 100
Subtract the new number by the original number
555 - 923 = -368
-368 ÷ 923 = -0.39869989165763814
-0.39869989165763814 x 100 = -39.87%