849.4% is the change from 83 to 788
Calculation steps:
[( 788 - 83 ) ÷ 83] x 100 = 849.4%
Formula
Percentage change = [(788 - 83) / 83] x 100
Subtract the new number by the original number
788 - 83 = 705
705 ÷ 83 = 8.493975903614459
8.493975903614459 x 100 = 849.4%