5.49% is the change from 819 to 864
Calculation steps:
[( 864 - 819 ) ÷ 819] x 100 = 5.49%
Formula
Percentage change = [(864 - 819) / 819] x 100
Subtract the new number by the original number
864 - 819 = 45
45 ÷ 819 = 0.054945054945054944
0.054945054945054944 x 100 = 5.49%