4.77% is the change from 817 to 856
Calculation steps:
[( 856 - 817 ) ÷ 817] x 100 = 4.77%
Formula
Percentage change = [(856 - 817) / 817] x 100
Subtract the new number by the original number
856 - 817 = 39
39 ÷ 817 = 0.04773561811505508
0.04773561811505508 x 100 = 4.77%