2043.59% is the change from 39 to 836
Calculation steps:
[( 836 - 39 ) ÷ 39] x 100 = 2043.59%
Formula
Percentage change = [(836 - 39) / 39] x 100
Subtract the new number by the original number
836 - 39 = 797
797 ÷ 39 = 20.435897435897434
20.435897435897434 x 100 = 2043.59%