-40.19% is the change from 530 to 317
Calculation steps:
[( 317 - 530 ) ÷ 530] x 100 = -40.19%
Formula
Percentage change = [(317 - 530) / 530] x 100
Subtract the new number by the original number
317 - 530 = -213
-213 ÷ 530 = -0.4018867924528302
-0.4018867924528302 x 100 = -40.19%