21.76% is the change from 239 to 291
Calculation steps:
[( 291 - 239 ) ÷ 239] x 100 = 21.76%
Formula
Percentage change = [(291 - 239) / 239] x 100
Subtract the new number by the original number
291 - 239 = 52
52 ÷ 239 = 0.2175732217573222
0.2175732217573222 x 100 = 21.76%