-33.54% is the change from 477 to 317
Calculation steps:
[( 317 - 477 ) ÷ 477] x 100 = -33.54%
Formula
Percentage change = [(317 - 477) / 477] x 100
Subtract the new number by the original number
317 - 477 = -160
-160 ÷ 477 = -0.33542976939203356
-0.33542976939203356 x 100 = -33.54%