-31.12% is the change from 466 to 321
Calculation steps:
[( 321 - 466 ) ÷ 466] x 100 = -31.12%
Formula
Percentage change = [(321 - 466) / 466] x 100
Subtract the new number by the original number
321 - 466 = -145
-145 ÷ 466 = -0.3111587982832618
-0.3111587982832618 x 100 = -31.12%