334.95% is the change from 103 to 448
Calculation steps:
[( 448 - 103 ) ÷ 103] x 100 = 334.95%
Formula
Percentage change = [(448 - 103) / 103] x 100
Subtract the new number by the original number
448 - 103 = 345
345 ÷ 103 = 3.349514563106796
3.349514563106796 x 100 = 334.95%