3419.05% is the change from 21 to 739
Calculation steps:
[( 739 - 21 ) ÷ 21] x 100 = 3419.05%
Formula
Percentage change = [(739 - 21) / 21] x 100
Subtract the new number by the original number
739 - 21 = 718
718 ÷ 21 = 34.19047619047619
34.19047619047619 x 100 = 3419.05%