3.89% is the change from 823 to 855
Calculation steps:
[( 855 - 823 ) ÷ 823] x 100 = 3.89%
Formula
Percentage change = [(855 - 823) / 823] x 100
Subtract the new number by the original number
855 - 823 = 32
32 ÷ 823 = 0.038882138517618466
0.038882138517618466 x 100 = 3.89%