-19.36% is the change from 408 to 329
Calculation steps:
[( 329 - 408 ) ÷ 408] x 100 = -19.36%
Formula
Percentage change = [(329 - 408) / 408] x 100
Subtract the new number by the original number
329 - 408 = -79
-79 ÷ 408 = -0.19362745098039216
-0.19362745098039216 x 100 = -19.36%