2057.14% is the change from 21 to 453
Calculation steps:
[( 453 - 21 ) ÷ 21] x 100 = 2057.14%
Formula
Percentage change = [(453 - 21) / 21] x 100
Subtract the new number by the original number
453 - 21 = 432
432 ÷ 21 = 20.571428571428573
20.571428571428573 x 100 = 2057.14%