3.41% is the change from 821 to 849
Calculation steps:
[( 849 - 821 ) ÷ 821] x 100 = 3.41%
Formula
Percentage change = [(849 - 821) / 821] x 100
Subtract the new number by the original number
849 - 821 = 28
28 ÷ 821 = 0.0341047503045067
0.0341047503045067 x 100 = 3.41%