2010.26% is the change from 39 to 823
Calculation steps:
[( 823 - 39 ) ÷ 39] x 100 = 2010.26%
Formula
Percentage change = [(823 - 39) / 39] x 100
Subtract the new number by the original number
823 - 39 = 784
784 ÷ 39 = 20.102564102564102
20.102564102564102 x 100 = 2010.26%