413.25% is the change from 83 to 426
Calculation steps:
[( 426 - 83 ) ÷ 83] x 100 = 413.25%
Formula
Percentage change = [(426 - 83) / 83] x 100
Subtract the new number by the original number
426 - 83 = 343
343 ÷ 83 = 4.132530120481928
4.132530120481928 x 100 = 413.25%