834.94% is the change from 83 to 776
Calculation steps:
[( 776 - 83 ) ÷ 83] x 100 = 834.94%
Formula
Percentage change = [(776 - 83) / 83] x 100
Subtract the new number by the original number
776 - 83 = 693
693 ÷ 83 = 8.349397590361447
8.349397590361447 x 100 = 834.94%