-66.84% is the change from 956 to 317
Calculation steps:
[( 317 - 956 ) ÷ 956] x 100 = -66.84%
Formula
Percentage change = [(317 - 956) / 956] x 100
Subtract the new number by the original number
317 - 956 = -639
-639 ÷ 956 = -0.6684100418410042
-0.6684100418410042 x 100 = -66.84%