-55.04% is the change from 923 to 415
Calculation steps:
[( 415 - 923 ) ÷ 923] x 100 = -55.04%
Formula
Percentage change = [(415 - 923) / 923] x 100
Subtract the new number by the original number
415 - 923 = -508
-508 ÷ 923 = -0.5503791982665223
-0.5503791982665223 x 100 = -55.04%