-61.99% is the change from 834 to 317
Calculation steps:
[( 317 - 834 ) ÷ 834] x 100 = -61.99%
Formula
Percentage change = [(317 - 834) / 834] x 100
Subtract the new number by the original number
317 - 834 = -517
-517 ÷ 834 = -0.6199040767386091
-0.6199040767386091 x 100 = -61.99%