-65.91% is the change from 930 to 317
Calculation steps:
[( 317 - 930 ) ÷ 930] x 100 = -65.91%
Formula
Percentage change = [(317 - 930) / 930] x 100
Subtract the new number by the original number
317 - 930 = -613
-613 ÷ 930 = -0.6591397849462366
-0.6591397849462366 x 100 = -65.91%