-44.2% is the change from 923 to 515
Calculation steps:
[( 515 - 923 ) ÷ 923] x 100 = -44.2%
Formula
Percentage change = [(515 - 923) / 923] x 100
Subtract the new number by the original number
515 - 923 = -408
-408 ÷ 923 = -0.4420368364030336
-0.4420368364030336 x 100 = -44.2%