-2.88% is the change from 834 to 810
Calculation steps:
[( 810 - 834 ) ÷ 834] x 100 = -2.88%
Formula
Percentage change = [(810 - 834) / 834] x 100
Subtract the new number by the original number
810 - 834 = -24
-24 ÷ 834 = -0.02877697841726619
-0.02877697841726619 x 100 = -2.88%