302.8% is the change from 107 to 431
Calculation steps:
[( 431 - 107 ) ÷ 107] x 100 = 302.8%
Formula
Percentage change = [(431 - 107) / 107] x 100
Subtract the new number by the original number
431 - 107 = 324
324 ÷ 107 = 3.02803738317757
3.02803738317757 x 100 = 302.8%