-30.66% is the change from 473 to 328
Calculation steps:
[( 328 - 473 ) ÷ 473] x 100 = -30.66%
Formula
Percentage change = [(328 - 473) / 473] x 100
Subtract the new number by the original number
328 - 473 = -145
-145 ÷ 473 = -0.30655391120507397
-0.30655391120507397 x 100 = -30.66%