1440% is the change from 30 to 462
Calculation steps:
[( 462 - 30 ) ÷ 30] x 100 = 1440%
Formula
Percentage change = [(462 - 30) / 30] x 100
Subtract the new number by the original number
462 - 30 = 432
432 ÷ 30 = 14.4
14.4 x 100 = 1440%
Example