-26.83% is the change from 999 to 731
Calculation steps:
[( 731 - 999 ) ÷ 999] x 100 = -26.83%
Formula
Percentage change = [(731 - 999) / 999] x 100
Subtract the new number by the original number
731 - 999 = -268
-268 ÷ 999 = -0.2682682682682683
-0.2682682682682683 x 100 = -26.83%