39.23% is the change from 209 to 291
Calculation steps:
[( 291 - 209 ) ÷ 209] x 100 = 39.23%
Formula
Percentage change = [(291 - 209) / 209] x 100
Subtract the new number by the original number
291 - 209 = 82
82 ÷ 209 = 0.3923444976076555
0.3923444976076555 x 100 = 39.23%