-31.39% is the change from 462 to 317
Calculation steps:
[( 317 - 462 ) ÷ 462] x 100 = -31.39%
Formula
Percentage change = [(317 - 462) / 462] x 100
Subtract the new number by the original number
317 - 462 = -145
-145 ÷ 462 = -0.31385281385281383
-0.31385281385281383 x 100 = -31.39%