2628.57% is the change from 21 to 573
Calculation steps:
[( 573 - 21 ) ÷ 21] x 100 = 2628.57%
Formula
Percentage change = [(573 - 21) / 21] x 100
Subtract the new number by the original number
573 - 21 = 552
552 ÷ 21 = 26.285714285714285
26.285714285714285 x 100 = 2628.57%