-31.62% is the change from 468 to 320
Calculation steps:
[( 320 - 468 ) ÷ 468] x 100 = -31.62%
Formula
Percentage change = [(320 - 468) / 468] x 100
Subtract the new number by the original number
320 - 468 = -148
-148 ÷ 468 = -0.3162393162393162
-0.3162393162393162 x 100 = -31.62%