-56.34% is the change from 923 to 403
Calculation steps:
[( 403 - 923 ) ÷ 923] x 100 = -56.34%
Formula
Percentage change = [(403 - 923) / 923] x 100
Subtract the new number by the original number
403 - 923 = -520
-520 ÷ 923 = -0.5633802816901409
-0.5633802816901409 x 100 = -56.34%