241.6% is the change from 238 to 813
Calculation steps:
[( 813 - 238 ) ÷ 238] x 100 = 241.6%
Formula
Percentage change = [(813 - 238) / 238] x 100
Subtract the new number by the original number
813 - 238 = 575
575 ÷ 238 = 2.4159663865546217
2.4159663865546217 x 100 = 241.6%