-56.55% is the change from 923 to 401
Calculation steps:
[( 401 - 923 ) ÷ 923] x 100 = -56.55%
Formula
Percentage change = [(401 - 923) / 923] x 100
Subtract the new number by the original number
401 - 923 = -522
-522 ÷ 923 = -0.5655471289274107
-0.5655471289274107 x 100 = -56.55%