-32.72% is the change from 489 to 329
Calculation steps:
[( 329 - 489 ) ÷ 489] x 100 = -32.72%
Formula
Percentage change = [(329 - 489) / 489] x 100
Subtract the new number by the original number
329 - 489 = -160
-160 ÷ 489 = -0.32719836400818
-0.32719836400818 x 100 = -32.72%