2.62% is the change from 839 to 861
Calculation steps:
[( 861 - 839 ) ÷ 839] x 100 = 2.62%
Formula
Percentage change = [(861 - 839) / 839] x 100
Subtract the new number by the original number
861 - 839 = 22
22 ÷ 839 = 0.026221692491060787
0.026221692491060787 x 100 = 2.62%