100.84% is the change from 238 to 478
Calculation steps:
[( 478 - 238 ) ÷ 238] x 100 = 100.84%
Formula
Percentage change = [(478 - 238) / 238] x 100
Subtract the new number by the original number
478 - 238 = 240
240 ÷ 238 = 1.0084033613445378
1.0084033613445378 x 100 = 100.84%