-23.54% is the change from 429 to 328
Calculation steps:
[( 328 - 429 ) ÷ 429] x 100 = -23.54%
Formula
Percentage change = [(328 - 429) / 429] x 100
Subtract the new number by the original number
328 - 429 = -101
-101 ÷ 429 = -0.23543123543123542
-0.23543123543123542 x 100 = -23.54%