2.54% is the change from 828 to 849
Calculation steps:
[( 849 - 828 ) ÷ 828] x 100 = 2.54%
Formula
Percentage change = [(849 - 828) / 828] x 100
Subtract the new number by the original number
849 - 828 = 21
21 ÷ 828 = 0.025362318840579712
0.025362318840579712 x 100 = 2.54%