419.51% is the change from 82 to 426
Calculation steps:
[( 426 - 82 ) ÷ 82] x 100 = 419.51%
Formula
Percentage change = [(426 - 82) / 82] x 100
Subtract the new number by the original number
426 - 82 = 344
344 ÷ 82 = 4.195121951219512
4.195121951219512 x 100 = 419.51%