-8.61% is the change from 360 to 329
Calculation steps:
[( 329 - 360 ) ÷ 360] x 100 = -8.61%
Formula
Percentage change = [(329 - 360) / 360] x 100
Subtract the new number by the original number
329 - 360 = -31
-31 ÷ 360 = -0.08611111111111111
-0.08611111111111111 x 100 = -8.61%