242.72% is the change from 103 to 353
Calculation steps:
[( 353 - 103 ) ÷ 103] x 100 = 242.72%
Formula
Percentage change = [(353 - 103) / 103] x 100
Subtract the new number by the original number
353 - 103 = 250
250 ÷ 103 = 2.4271844660194173
2.4271844660194173 x 100 = 242.72%