-64.42% is the change from 891 to 317
Calculation steps:
[( 317 - 891 ) ÷ 891] x 100 = -64.42%
Formula
Percentage change = [(317 - 891) / 891] x 100
Subtract the new number by the original number
317 - 891 = -574
-574 ÷ 891 = -0.6442199775533108
-0.6442199775533108 x 100 = -64.42%