2809.09% is the change from 11 to 320
Calculation steps:
[( 320 - 11 ) ÷ 11] x 100 = 2809.09%
Formula
Percentage change = [(320 - 11) / 11] x 100
Subtract the new number by the original number
320 - 11 = 309
309 ÷ 11 = 28.09090909090909
28.09090909090909 x 100 = 2809.09%