113.87% is the change from 238 to 509
Calculation steps:
[( 509 - 238 ) ÷ 238] x 100 = 113.87%
Formula
Percentage change = [(509 - 238) / 238] x 100
Subtract the new number by the original number
509 - 238 = 271
271 ÷ 238 = 1.138655462184874
1.138655462184874 x 100 = 113.87%