77.41% is the change from 239 to 424
Calculation steps:
[( 424 - 239 ) ÷ 239] x 100 = 77.41%
Formula
Percentage change = [(424 - 239) / 239] x 100
Subtract the new number by the original number
424 - 239 = 185
185 ÷ 239 = 0.7740585774058577
0.7740585774058577 x 100 = 77.41%