-31.49% is the change from 470 to 322
Calculation steps:
[( 322 - 470 ) ÷ 470] x 100 = -31.49%
Formula
Percentage change = [(322 - 470) / 470] x 100
Subtract the new number by the original number
322 - 470 = -148
-148 ÷ 470 = -0.3148936170212766
-0.3148936170212766 x 100 = -31.49%