3045% is the change from 20 to 629
Calculation steps:
[( 629 - 20 ) ÷ 20] x 100 = 3045%
Formula
Percentage change = [(629 - 20) / 20] x 100
Subtract the new number by the original number
629 - 20 = 609
609 ÷ 20 = 30.45
30.45 x 100 = 3045%
Example