3342.86% is the change from 21 to 723
Calculation steps:
[( 723 - 21 ) ÷ 21] x 100 = 3342.86%
Formula
Percentage change = [(723 - 21) / 21] x 100
Subtract the new number by the original number
723 - 21 = 702
702 ÷ 21 = 33.42857142857143
33.42857142857143 x 100 = 3342.86%