-7.64% is the change from 432 to 399
Calculation steps:
[( 399 - 432 ) ÷ 432] x 100 = -7.64%
Formula
Percentage change = [(399 - 432) / 432] x 100
Subtract the new number by the original number
399 - 432 = -33
-33 ÷ 432 = -0.0763888888888889
-0.0763888888888889 x 100 = -7.64%