-4.59% is the change from 849 to 810
Calculation steps:
[( 810 - 849 ) ÷ 849] x 100 = -4.59%
Formula
Percentage change = [(810 - 849) / 849] x 100
Subtract the new number by the original number
810 - 849 = -39
-39 ÷ 849 = -0.045936395759717315
-0.045936395759717315 x 100 = -4.59%