475% is the change from 108 to 621
Calculation steps:
[( 621 - 108 ) ÷ 108] x 100 = 475%
Formula
Percentage change = [(621 - 108) / 108] x 100
Subtract the new number by the original number
621 - 108 = 513
513 ÷ 108 = 4.75
4.75 x 100 = 475%
Example