2.76% is the change from 834 to 857
Calculation steps:
[( 857 - 834 ) ÷ 834] x 100 = 2.76%
Formula
Percentage change = [(857 - 834) / 834] x 100
Subtract the new number by the original number
857 - 834 = 23
23 ÷ 834 = 0.027577937649880094
0.027577937649880094 x 100 = 2.76%