-2.76% is the change from 834 to 811
Calculation steps:
[( 811 - 834 ) ÷ 834] x 100 = -2.76%
Formula
Percentage change = [(811 - 834) / 834] x 100
Subtract the new number by the original number
811 - 834 = -23
-23 ÷ 834 = -0.027577937649880094
-0.027577937649880094 x 100 = -2.76%