249.5% is the change from 101 to 353
Calculation steps:
[( 353 - 101 ) ÷ 101] x 100 = 249.5%
Formula
Percentage change = [(353 - 101) / 101] x 100
Subtract the new number by the original number
353 - 101 = 252
252 ÷ 101 = 2.495049504950495
2.495049504950495 x 100 = 249.5%