2105% is the change from 20 to 441
Calculation steps:
[( 441 - 20 ) ÷ 20] x 100 = 2105%
Formula
Percentage change = [(441 - 20) / 20] x 100
Subtract the new number by the original number
441 - 20 = 421
421 ÷ 20 = 21.05
21.05 x 100 = 2105%
Example