3750% is the change from 12 to 462
Calculation steps:
[( 462 - 12 ) ÷ 12] x 100 = 3750%
Formula
Percentage change = [(462 - 12) / 12] x 100
Subtract the new number by the original number
462 - 12 = 450
450 ÷ 12 = 37.5
37.5 x 100 = 3750%
Example