2014.29% is the change from 21 to 444
Calculation steps:
[( 444 - 21 ) ÷ 21] x 100 = 2014.29%
Formula
Percentage change = [(444 - 21) / 21] x 100
Subtract the new number by the original number
444 - 21 = 423
423 ÷ 21 = 20.142857142857142
20.142857142857142 x 100 = 2014.29%