307.62% is the change from 223 to 909
Calculation steps:
[( 909 - 223 ) ÷ 223] x 100 = 307.62%
Formula
Percentage change = [(909 - 223) / 223] x 100
Subtract the new number by the original number
909 - 223 = 686
686 ÷ 223 = 3.0762331838565022
3.0762331838565022 x 100 = 307.62%