115.13% is the change from 238 to 512
Calculation steps:
[( 512 - 238 ) ÷ 238] x 100 = 115.13%
Formula
Percentage change = [(512 - 238) / 238] x 100
Subtract the new number by the original number
512 - 238 = 274
274 ÷ 238 = 1.1512605042016806
1.1512605042016806 x 100 = 115.13%