-20.83% is the change from 432 to 342
Calculation steps:
[( 342 - 432 ) ÷ 432] x 100 = -20.83%
Formula
Percentage change = [(342 - 432) / 432] x 100
Subtract the new number by the original number
342 - 432 = -90
-90 ÷ 432 = -0.20833333333333334
-0.20833333333333334 x 100 = -20.83%