597.96% is the change from 98 to 684
Calculation steps:
[( 684 - 98 ) ÷ 98] x 100 = 597.96%
Formula
Percentage change = [(684 - 98) / 98] x 100
Subtract the new number by the original number
684 - 98 = 586
586 ÷ 98 = 5.979591836734694
5.979591836734694 x 100 = 597.96%