402.97% is the change from 101 to 508
Calculation steps:
[( 508 - 101 ) ÷ 101] x 100 = 402.97%
Formula
Percentage change = [(508 - 101) / 101] x 100
Subtract the new number by the original number
508 - 101 = 407
407 ÷ 101 = 4.02970297029703
4.02970297029703 x 100 = 402.97%