3510% is the change from 20 to 722
Calculation steps:
[( 722 - 20 ) ÷ 20] x 100 = 3510%
Formula
Percentage change = [(722 - 20) / 20] x 100
Subtract the new number by the original number
722 - 20 = 702
702 ÷ 20 = 35.1
35.1 x 100 = 3510%
Example