3683.33% is the change from 12 to 454
Calculation steps:
[( 454 - 12 ) ÷ 12] x 100 = 3683.33%
Formula
Percentage change = [(454 - 12) / 12] x 100
Subtract the new number by the original number
454 - 12 = 442
442 ÷ 12 = 36.833333333333336
36.833333333333336 x 100 = 3683.33%