34.32% is the change from 303 to 407
Calculation steps:
[( 407 - 303 ) ÷ 303] x 100 = 34.32%
Formula
Percentage change = [(407 - 303) / 303] x 100
Subtract the new number by the original number
407 - 303 = 104
104 ÷ 303 = 0.3432343234323432
0.3432343234323432 x 100 = 34.32%