108.23% is the change from 231 to 481
Calculation steps:
[( 481 - 231 ) ÷ 231] x 100 = 108.23%
Formula
Percentage change = [(481 - 231) / 231] x 100
Subtract the new number by the original number
481 - 231 = 250
250 ÷ 231 = 1.0822510822510822
1.0822510822510822 x 100 = 108.23%