3283.33% is the change from 12 to 406
Calculation steps:
[( 406 - 12 ) ÷ 12] x 100 = 3283.33%
Formula
Percentage change = [(406 - 12) / 12] x 100
Subtract the new number by the original number
406 - 12 = 394
394 ÷ 12 = 32.833333333333336
32.833333333333336 x 100 = 3283.33%