-32.55% is the change from 470 to 317
Calculation steps:
[( 317 - 470 ) ÷ 470] x 100 = -32.55%
Formula
Percentage change = [(317 - 470) / 470] x 100
Subtract the new number by the original number
317 - 470 = -153
-153 ÷ 470 = -0.32553191489361705
-0.32553191489361705 x 100 = -32.55%