2.46% is the change from 814 to 834
Calculation steps:
[( 834 - 814 ) ÷ 814] x 100 = 2.46%
Formula
Percentage change = [(834 - 814) / 814] x 100
Subtract the new number by the original number
834 - 814 = 20
20 ÷ 814 = 0.02457002457002457
0.02457002457002457 x 100 = 2.46%