46.41% is the change from 209 to 306
Calculation steps:
[( 306 - 209 ) ÷ 209] x 100 = 46.41%
Formula
Percentage change = [(306 - 209) / 209] x 100
Subtract the new number by the original number
306 - 209 = 97
97 ÷ 209 = 0.46411483253588515
0.46411483253588515 x 100 = 46.41%