-63.44% is the change from 867 to 317
Calculation steps:
[( 317 - 867 ) ÷ 867] x 100 = -63.44%
Formula
Percentage change = [(317 - 867) / 867] x 100
Subtract the new number by the original number
317 - 867 = -550
-550 ÷ 867 = -0.6343713956170703
-0.6343713956170703 x 100 = -63.44%