241% is the change from 239 to 815
Calculation steps:
[( 815 - 239 ) ÷ 239] x 100 = 241%
Formula
Percentage change = [(815 - 239) / 239] x 100
Subtract the new number by the original number
815 - 239 = 576
576 ÷ 239 = 2.410041841004184
2.410041841004184 x 100 = 241%