31.1% is the change from 209 to 274
Calculation steps:
[( 274 - 209 ) ÷ 209] x 100 = 31.1%
Formula
Percentage change = [(274 - 209) / 209] x 100
Subtract the new number by the original number
274 - 209 = 65
65 ÷ 209 = 0.31100478468899523
0.31100478468899523 x 100 = 31.1%