315.15% is the change from 99 to 411
Calculation steps:
[( 411 - 99 ) ÷ 99] x 100 = 315.15%
Formula
Percentage change = [(411 - 99) / 99] x 100
Subtract the new number by the original number
411 - 99 = 312
312 ÷ 99 = 3.1515151515151514
3.1515151515151514 x 100 = 315.15%