2180.95% is the change from 21 to 479
Calculation steps:
[( 479 - 21 ) ÷ 21] x 100 = 2180.95%
Formula
Percentage change = [(479 - 21) / 21] x 100
Subtract the new number by the original number
479 - 21 = 458
458 ÷ 21 = 21.80952380952381
21.80952380952381 x 100 = 2180.95%