-35.83% is the change from 494 to 317
Calculation steps:
[( 317 - 494 ) ÷ 494] x 100 = -35.83%
Formula
Percentage change = [(317 - 494) / 494] x 100
Subtract the new number by the original number
317 - 494 = -177
-177 ÷ 494 = -0.3582995951417004
-0.3582995951417004 x 100 = -35.83%