-39.5% is the change from 524 to 317
Calculation steps:
[( 317 - 524 ) ÷ 524] x 100 = -39.5%
Formula
Percentage change = [(317 - 524) / 524] x 100
Subtract the new number by the original number
317 - 524 = -207
-207 ÷ 524 = -0.3950381679389313
-0.3950381679389313 x 100 = -39.5%