233.01% is the change from 103 to 343
Calculation steps:
[( 343 - 103 ) ÷ 103] x 100 = 233.01%
Formula
Percentage change = [(343 - 103) / 103] x 100
Subtract the new number by the original number
343 - 103 = 240
240 ÷ 103 = 2.3300970873786406
2.3300970873786406 x 100 = 233.01%