123.91% is the change from 230 to 515
Calculation steps:
[( 515 - 230 ) ÷ 230] x 100 = 123.91%
Formula
Percentage change = [(515 - 230) / 230] x 100
Subtract the new number by the original number
515 - 230 = 285
285 ÷ 230 = 1.2391304347826086
1.2391304347826086 x 100 = 123.91%