6.4% is the change from 813 to 865
Calculation steps:
[( 865 - 813 ) ÷ 813] x 100 = 6.4%
Formula
Percentage change = [(865 - 813) / 813] x 100
Subtract the new number by the original number
865 - 813 = 52
52 ÷ 813 = 0.06396063960639606
0.06396063960639606 x 100 = 6.4%