4.13% is the change from 823 to 857
Calculation steps:
[( 857 - 823 ) ÷ 823] x 100 = 4.13%
Formula
Percentage change = [(857 - 823) / 823] x 100
Subtract the new number by the original number
857 - 823 = 34
34 ÷ 823 = 0.041312272174969626
0.041312272174969626 x 100 = 4.13%