3383.33% is the change from 12 to 418
Calculation steps:
[( 418 - 12 ) ÷ 12] x 100 = 3383.33%
Formula
Percentage change = [(418 - 12) / 12] x 100
Subtract the new number by the original number
418 - 12 = 406
406 ÷ 12 = 33.833333333333336
33.833333333333336 x 100 = 3383.33%