2771.43% is the change from 21 to 603
Calculation steps:
[( 603 - 21 ) ÷ 21] x 100 = 2771.43%
Formula
Percentage change = [(603 - 21) / 21] x 100
Subtract the new number by the original number
603 - 21 = 582
582 ÷ 21 = 27.714285714285715
27.714285714285715 x 100 = 2771.43%