-28.23% is the change from 457 to 328
Calculation steps:
[( 328 - 457 ) ÷ 457] x 100 = -28.23%
Formula
Percentage change = [(328 - 457) / 457] x 100
Subtract the new number by the original number
328 - 457 = -129
-129 ÷ 457 = -0.28227571115973743
-0.28227571115973743 x 100 = -28.23%