-43.99% is the change from 923 to 517
Calculation steps:
[( 517 - 923 ) ÷ 923] x 100 = -43.99%
Formula
Percentage change = [(517 - 923) / 923] x 100
Subtract the new number by the original number
517 - 923 = -406
-406 ÷ 923 = -0.4398699891657638
-0.4398699891657638 x 100 = -43.99%