404.13% is the change from 121 to 610
Calculation steps:
[( 610 - 121 ) ÷ 121] x 100 = 404.13%
Formula
Percentage change = [(610 - 121) / 121] x 100
Subtract the new number by the original number
610 - 121 = 489
489 ÷ 121 = 4.041322314049586
4.041322314049586 x 100 = 404.13%