18.18% is the change from 242 to 286
Calculation steps:
[( 286 - 242 ) ÷ 242] x 100 = 18.18%
Formula
Percentage change = [(286 - 242) / 242] x 100
Subtract the new number by the original number
286 - 242 = 44
44 ÷ 242 = 0.18181818181818182
0.18181818181818182 x 100 = 18.18%