-24.32% is the change from 329 to 249
Calculation steps:
[( 249 - 329 ) ÷ 329] x 100 = -24.32%
Formula
Percentage change = [(249 - 329) / 329] x 100
Subtract the new number by the original number
249 - 329 = -80
-80 ÷ 329 = -0.24316109422492402
-0.24316109422492402 x 100 = -24.32%