502.97% is the change from 101 to 609
Calculation steps:
[( 609 - 101 ) ÷ 101] x 100 = 502.97%
Formula
Percentage change = [(609 - 101) / 101] x 100
Subtract the new number by the original number
609 - 101 = 508
508 ÷ 101 = 5.02970297029703
5.02970297029703 x 100 = 502.97%