880.72% is the change from 83 to 814
Calculation steps:
[( 814 - 83 ) ÷ 83] x 100 = 880.72%
Formula
Percentage change = [(814 - 83) / 83] x 100
Subtract the new number by the original number
814 - 83 = 731
731 ÷ 83 = 8.80722891566265
8.80722891566265 x 100 = 880.72%