6110% is the change from 10 to 621
Calculation steps:
[( 621 - 10 ) ÷ 10] x 100 = 6110%
Formula
Percentage change = [(621 - 10) / 10] x 100
Subtract the new number by the original number
621 - 10 = 611
611 ÷ 10 = 61.1
61.1 x 100 = 6110%
Example