-39.76% is the change from 923 to 556
Calculation steps:
[( 556 - 923 ) ÷ 923] x 100 = -39.76%
Formula
Percentage change = [(556 - 923) / 923] x 100
Subtract the new number by the original number
556 - 923 = -367
-367 ÷ 923 = -0.39761646803900325
-0.39761646803900325 x 100 = -39.76%