293.51% is the change from 231 to 909
Calculation steps:
[( 909 - 231 ) ÷ 231] x 100 = 293.51%
Formula
Percentage change = [(909 - 231) / 231] x 100
Subtract the new number by the original number
909 - 231 = 678
678 ÷ 231 = 2.935064935064935
2.935064935064935 x 100 = 293.51%