21300% is the change from 2 to 428
Calculation steps:
[( 428 - 2 ) ÷ 2] x 100 = 21300%
Formula
Percentage change = [(428 - 2) / 2] x 100
Subtract the new number by the original number
428 - 2 = 426
426 ÷ 2 = 213
213 x 100 = 21300%
Example