309.9% is the change from 101 to 414
Calculation steps:
[( 414 - 101 ) ÷ 101] x 100 = 309.9%
Formula
Percentage change = [(414 - 101) / 101] x 100
Subtract the new number by the original number
414 - 101 = 313
313 ÷ 101 = 3.099009900990099
3.099009900990099 x 100 = 309.9%