108.4% is the change from 238 to 496
Calculation steps:
[( 496 - 238 ) ÷ 238] x 100 = 108.4%
Formula
Percentage change = [(496 - 238) / 238] x 100
Subtract the new number by the original number
496 - 238 = 258
258 ÷ 238 = 1.084033613445378
1.084033613445378 x 100 = 108.4%