2109.09% is the change from 11 to 243
Calculation steps:
[( 243 - 11 ) ÷ 11] x 100 = 2109.09%
Formula
Percentage change = [(243 - 11) / 11] x 100
Subtract the new number by the original number
243 - 11 = 232
232 ÷ 11 = 21.09090909090909
21.09090909090909 x 100 = 2109.09%