-31.59% is the change from 478 to 327
Calculation steps:
[( 327 - 478 ) ÷ 478] x 100 = -31.59%
Formula
Percentage change = [(327 - 478) / 478] x 100
Subtract the new number by the original number
327 - 478 = -151
-151 ÷ 478 = -0.3158995815899582
-0.3158995815899582 x 100 = -31.59%