3308.33% is the change from 12 to 409
Calculation steps:
[( 409 - 12 ) ÷ 12] x 100 = 3308.33%
Formula
Percentage change = [(409 - 12) / 12] x 100
Subtract the new number by the original number
409 - 12 = 397
397 ÷ 12 = 33.083333333333336
33.083333333333336 x 100 = 3308.33%