349.5% is the change from 101 to 454
Calculation steps:
[( 454 - 101 ) ÷ 101] x 100 = 349.5%
Formula
Percentage change = [(454 - 101) / 101] x 100
Subtract the new number by the original number
454 - 101 = 353
353 ÷ 101 = 3.495049504950495
3.495049504950495 x 100 = 349.5%