-6.8% is the change from 868 to 809
Calculation steps:
[( 809 - 868 ) ÷ 868] x 100 = -6.8%
Formula
Percentage change = [(809 - 868) / 868] x 100
Subtract the new number by the original number
809 - 868 = -59
-59 ÷ 868 = -0.06797235023041474
-0.06797235023041474 x 100 = -6.8%