-31.24% is the change from 477 to 328
Calculation steps:
[( 328 - 477 ) ÷ 477] x 100 = -31.24%
Formula
Percentage change = [(328 - 477) / 477] x 100
Subtract the new number by the original number
328 - 477 = -149
-149 ÷ 477 = -0.31236897274633124
-0.31236897274633124 x 100 = -31.24%