-97.92% is the change from 432 to 9
Calculation steps:
[( 9 - 432 ) ÷ 432] x 100 = -97.92%
Formula
Percentage change = [(9 - 432) / 432] x 100
Subtract the new number by the original number
9 - 432 = -423
-423 ÷ 432 = -0.9791666666666666
-0.9791666666666666 x 100 = -97.92%