-25.69% is the change from 432 to 321
Calculation steps:
[( 321 - 432 ) ÷ 432] x 100 = -25.69%
Formula
Percentage change = [(321 - 432) / 432] x 100
Subtract the new number by the original number
321 - 432 = -111
-111 ÷ 432 = -0.2569444444444444
-0.2569444444444444 x 100 = -25.69%