223.14% is the change from 121 to 391
Calculation steps:
[( 391 - 121 ) ÷ 121] x 100 = 223.14%
Formula
Percentage change = [(391 - 121) / 121] x 100
Subtract the new number by the original number
391 - 121 = 270
270 ÷ 121 = 2.231404958677686
2.231404958677686 x 100 = 223.14%