4.77% is the change from 818 to 857
Calculation steps:
[( 857 - 818 ) ÷ 818] x 100 = 4.77%
Formula
Percentage change = [(857 - 818) / 818] x 100
Subtract the new number by the original number
857 - 818 = 39
39 ÷ 818 = 0.04767726161369193
0.04767726161369193 x 100 = 4.77%