1984.62% is the change from 39 to 813
Calculation steps:
[( 813 - 39 ) ÷ 39] x 100 = 1984.62%
Formula
Percentage change = [(813 - 39) / 39] x 100
Subtract the new number by the original number
813 - 39 = 774
774 ÷ 39 = 19.846153846153847
19.846153846153847 x 100 = 1984.62%