3357.14% is the change from 21 to 726
Calculation steps:
[( 726 - 21 ) ÷ 21] x 100 = 3357.14%
Formula
Percentage change = [(726 - 21) / 21] x 100
Subtract the new number by the original number
726 - 21 = 705
705 ÷ 21 = 33.57142857142857
33.57142857142857 x 100 = 3357.14%