21400% is the change from 2 to 430
Calculation steps:
[( 430 - 2 ) ÷ 2] x 100 = 21400%
Formula
Percentage change = [(430 - 2) / 2] x 100
Subtract the new number by the original number
430 - 2 = 428
428 ÷ 2 = 214
214 x 100 = 21400%
Example