6.43% is the change from 809 to 861
Calculation steps:
[( 861 - 809 ) ÷ 809] x 100 = 6.43%
Formula
Percentage change = [(861 - 809) / 809] x 100
Subtract the new number by the original number
861 - 809 = 52
52 ÷ 809 = 0.06427688504326329
0.06427688504326329 x 100 = 6.43%