-31.73% is the change from 479 to 327
Calculation steps:
[( 327 - 479 ) ÷ 479] x 100 = -31.73%
Formula
Percentage change = [(327 - 479) / 479] x 100
Subtract the new number by the original number
327 - 479 = -152
-152 ÷ 479 = -0.3173277661795407
-0.3173277661795407 x 100 = -31.73%