837.8% is the change from 82 to 769
Calculation steps:
[( 769 - 82 ) ÷ 82] x 100 = 837.8%
Formula
Percentage change = [(769 - 82) / 82] x 100
Subtract the new number by the original number
769 - 82 = 687
687 ÷ 82 = 8.378048780487806
8.378048780487806 x 100 = 837.8%