239.68% is the change from 247 to 839
Calculation steps:
[( 839 - 247 ) ÷ 247] x 100 = 239.68%
Formula
Percentage change = [(839 - 247) / 247] x 100
Subtract the new number by the original number
839 - 247 = 592
592 ÷ 247 = 2.396761133603239
2.396761133603239 x 100 = 239.68%