306.31% is the change from 111 to 451
Calculation steps:
[( 451 - 111 ) ÷ 111] x 100 = 306.31%
Formula
Percentage change = [(451 - 111) / 111] x 100
Subtract the new number by the original number
451 - 111 = 340
340 ÷ 111 = 3.063063063063063
3.063063063063063 x 100 = 306.31%