-31.17% is the change from 478 to 329
Calculation steps:
[( 329 - 478 ) ÷ 478] x 100 = -31.17%
Formula
Percentage change = [(329 - 478) / 478] x 100
Subtract the new number by the original number
329 - 478 = -149
-149 ÷ 478 = -0.3117154811715481
-0.3117154811715481 x 100 = -31.17%