-30.87% is the change from 473 to 327
Calculation steps:
[( 327 - 473 ) ÷ 473] x 100 = -30.87%
Formula
Percentage change = [(327 - 473) / 473] x 100
Subtract the new number by the original number
327 - 473 = -146
-146 ÷ 473 = -0.3086680761099366
-0.3086680761099366 x 100 = -30.87%