1869.23% is the change from 39 to 768
Calculation steps:
[( 768 - 39 ) ÷ 39] x 100 = 1869.23%
Formula
Percentage change = [(768 - 39) / 39] x 100
Subtract the new number by the original number
768 - 39 = 729
729 ÷ 39 = 18.692307692307693
18.692307692307693 x 100 = 1869.23%