309.42% is the change from 223 to 913
Calculation steps:
[( 913 - 223 ) ÷ 223] x 100 = 309.42%
Formula
Percentage change = [(913 - 223) / 223] x 100
Subtract the new number by the original number
913 - 223 = 690
690 ÷ 223 = 3.094170403587444
3.094170403587444 x 100 = 309.42%