-31.03% is the change from 477 to 329
Calculation steps:
[( 329 - 477 ) ÷ 477] x 100 = -31.03%
Formula
Percentage change = [(329 - 477) / 477] x 100
Subtract the new number by the original number
329 - 477 = -148
-148 ÷ 477 = -0.31027253668763105
-0.31027253668763105 x 100 = -31.03%