4.59% is the change from 828 to 866
Calculation steps:
[( 866 - 828 ) ÷ 828] x 100 = 4.59%
Formula
Percentage change = [(866 - 828) / 828] x 100
Subtract the new number by the original number
866 - 828 = 38
38 ÷ 828 = 0.04589371980676329
0.04589371980676329 x 100 = 4.59%