-10.71% is the change from 906 to 809
Calculation steps:
[( 809 - 906 ) ÷ 906] x 100 = -10.71%
Formula
Percentage change = [(809 - 906) / 906] x 100
Subtract the new number by the original number
809 - 906 = -97
-97 ÷ 906 = -0.10706401766004416
-0.10706401766004416 x 100 = -10.71%