-23.49% is the change from 430 to 329
Calculation steps:
[( 329 - 430 ) ÷ 430] x 100 = -23.49%
Formula
Percentage change = [(329 - 430) / 430] x 100
Subtract the new number by the original number
329 - 430 = -101
-101 ÷ 430 = -0.23488372093023255
-0.23488372093023255 x 100 = -23.49%