2761.9% is the change from 21 to 601
Calculation steps:
[( 601 - 21 ) ÷ 21] x 100 = 2761.9%
Formula
Percentage change = [(601 - 21) / 21] x 100
Subtract the new number by the original number
601 - 21 = 580
580 ÷ 21 = 27.61904761904762
27.61904761904762 x 100 = 2761.9%