-46.9% is the change from 597 to 317
Calculation steps:
[( 317 - 597 ) ÷ 597] x 100 = -46.9%
Formula
Percentage change = [(317 - 597) / 597] x 100
Subtract the new number by the original number
317 - 597 = -280
-280 ÷ 597 = -0.46901172529313234
-0.46901172529313234 x 100 = -46.9%