3030% is the change from 20 to 626
Calculation steps:
[( 626 - 20 ) ÷ 20] x 100 = 3030%
Formula
Percentage change = [(626 - 20) / 20] x 100
Subtract the new number by the original number
626 - 20 = 606
606 ÷ 20 = 30.3
30.3 x 100 = 3030%
Example