83.02% is the change from 424 to 776
Calculation steps:
[( 776 - 424 ) ÷ 424] x 100 = 83.02%
Formula
Percentage change = [(776 - 424) / 424] x 100
Subtract the new number by the original number
776 - 424 = 352
352 ÷ 424 = 0.8301886792452831
0.8301886792452831 x 100 = 83.02%