826.51% is the change from 83 to 769
Calculation steps:
[( 769 - 83 ) ÷ 83] x 100 = 826.51%
Formula
Percentage change = [(769 - 83) / 83] x 100
Subtract the new number by the original number
769 - 83 = 686
686 ÷ 83 = 8.265060240963855
8.265060240963855 x 100 = 826.51%