27.73% is the change from 238 to 304
Calculation steps:
[( 304 - 238 ) ÷ 238] x 100 = 27.73%
Formula
Percentage change = [(304 - 238) / 238] x 100
Subtract the new number by the original number
304 - 238 = 66
66 ÷ 238 = 0.2773109243697479
0.2773109243697479 x 100 = 27.73%