320.83% is the change from 216 to 909
Calculation steps:
[( 909 - 216 ) ÷ 216] x 100 = 320.83%
Formula
Percentage change = [(909 - 216) / 216] x 100
Subtract the new number by the original number
909 - 216 = 693
693 ÷ 216 = 3.2083333333333335
3.2083333333333335 x 100 = 320.83%