-38.57% is the change from 516 to 317
Calculation steps:
[( 317 - 516 ) ÷ 516] x 100 = -38.57%
Formula
Percentage change = [(317 - 516) / 516] x 100
Subtract the new number by the original number
317 - 516 = -199
-199 ÷ 516 = -0.3856589147286822
-0.3856589147286822 x 100 = -38.57%