-52.55% is the change from 923 to 438
Calculation steps:
[( 438 - 923 ) ÷ 923] x 100 = -52.55%
Formula
Percentage change = [(438 - 923) / 923] x 100
Subtract the new number by the original number
438 - 923 = -485
-485 ÷ 923 = -0.5254604550379198
-0.5254604550379198 x 100 = -52.55%