521.43% is the change from 98 to 609
Calculation steps:
[( 609 - 98 ) ÷ 98] x 100 = 521.43%
Formula
Percentage change = [(609 - 98) / 98] x 100
Subtract the new number by the original number
609 - 98 = 511
511 ÷ 98 = 5.214285714285714
5.214285714285714 x 100 = 521.43%