2030% is the change from 20 to 426
Calculation steps:
[( 426 - 20 ) ÷ 20] x 100 = 2030%
Formula
Percentage change = [(426 - 20) / 20] x 100
Subtract the new number by the original number
426 - 20 = 406
406 ÷ 20 = 20.3
20.3 x 100 = 2030%
Example