3338.1% is the change from 21 to 722
Calculation steps:
[( 722 - 21 ) ÷ 21] x 100 = 3338.1%
Formula
Percentage change = [(722 - 21) / 21] x 100
Subtract the new number by the original number
722 - 21 = 701
701 ÷ 21 = 33.38095238095238
33.38095238095238 x 100 = 3338.1%