-8.28% is the change from 435 to 399
Calculation steps:
[( 399 - 435 ) ÷ 435] x 100 = -8.28%
Formula
Percentage change = [(399 - 435) / 435] x 100
Subtract the new number by the original number
399 - 435 = -36
-36 ÷ 435 = -0.08275862068965517
-0.08275862068965517 x 100 = -8.28%