7.18% is the change from 209 to 224
Calculation steps:
[( 224 - 209 ) ÷ 209] x 100 = 7.18%
Formula
Percentage change = [(224 - 209) / 209] x 100
Subtract the new number by the original number
224 - 209 = 15
15 ÷ 209 = 0.07177033492822966
0.07177033492822966 x 100 = 7.18%