2671.43% is the change from 21 to 582
Calculation steps:
[( 582 - 21 ) ÷ 21] x 100 = 2671.43%
Formula
Percentage change = [(582 - 21) / 21] x 100
Subtract the new number by the original number
582 - 21 = 561
561 ÷ 21 = 26.714285714285715
26.714285714285715 x 100 = 2671.43%