2681.82% is the change from 11 to 306
Calculation steps:
[( 306 - 11 ) ÷ 11] x 100 = 2681.82%
Formula
Percentage change = [(306 - 11) / 11] x 100
Subtract the new number by the original number
306 - 11 = 295
295 ÷ 11 = 26.818181818181817
26.818181818181817 x 100 = 2681.82%