-13.83% is the change from 499 to 430
Calculation steps:
[( 430 - 499 ) ÷ 499] x 100 = -13.83%
Formula
Percentage change = [(430 - 499) / 499] x 100
Subtract the new number by the original number
430 - 499 = -69
-69 ÷ 499 = -0.13827655310621242
-0.13827655310621242 x 100 = -13.83%