-9.49% is the change from 432 to 391
Calculation steps:
[( 391 - 432 ) ÷ 432] x 100 = -9.49%
Formula
Percentage change = [(391 - 432) / 432] x 100
Subtract the new number by the original number
391 - 432 = -41
-41 ÷ 432 = -0.09490740740740741
-0.09490740740740741 x 100 = -9.49%