317.89% is the change from 123 to 514
Calculation steps:
[( 514 - 123 ) ÷ 123] x 100 = 317.89%
Formula
Percentage change = [(514 - 123) / 123] x 100
Subtract the new number by the original number
514 - 123 = 391
391 ÷ 123 = 3.178861788617886
3.178861788617886 x 100 = 317.89%