339.8% is the change from 98 to 431
Calculation steps:
[( 431 - 98 ) ÷ 98] x 100 = 339.8%
Formula
Percentage change = [(431 - 98) / 98] x 100
Subtract the new number by the original number
431 - 98 = 333
333 ÷ 98 = 3.3979591836734695
3.3979591836734695 x 100 = 339.8%