-43.54% is the change from 999 to 564
Calculation steps:
[( 564 - 999 ) ÷ 999] x 100 = -43.54%
Formula
Percentage change = [(564 - 999) / 999] x 100
Subtract the new number by the original number
564 - 999 = -435
-435 ÷ 999 = -0.43543543543543545
-0.43543543543543545 x 100 = -43.54%