-62.66% is the change from 849 to 317
Calculation steps:
[( 317 - 849 ) ÷ 849] x 100 = -62.66%
Formula
Percentage change = [(317 - 849) / 849] x 100
Subtract the new number by the original number
317 - 849 = -532
-532 ÷ 849 = -0.6266195524146054
-0.6266195524146054 x 100 = -62.66%