4.63% is the change from 821 to 859
Calculation steps:
[( 859 - 821 ) ÷ 821] x 100 = 4.63%
Formula
Percentage change = [(859 - 821) / 821] x 100
Subtract the new number by the original number
859 - 821 = 38
38 ÷ 821 = 0.04628501827040195
0.04628501827040195 x 100 = 4.63%