-55.8% is the change from 923 to 408
Calculation steps:
[( 408 - 923 ) ÷ 923] x 100 = -55.8%
Formula
Percentage change = [(408 - 923) / 923] x 100
Subtract the new number by the original number
408 - 923 = -515
-515 ÷ 923 = -0.5579631635969664
-0.5579631635969664 x 100 = -55.8%