819.28% is the change from 83 to 763
Calculation steps:
[( 763 - 83 ) ÷ 83] x 100 = 819.28%
Formula
Percentage change = [(763 - 83) / 83] x 100
Subtract the new number by the original number
763 - 83 = 680
680 ÷ 83 = 8.19277108433735
8.19277108433735 x 100 = 819.28%