2107.14% is the change from 14 to 309
Calculation steps:
[( 309 - 14 ) ÷ 14] x 100 = 2107.14%
Formula
Percentage change = [(309 - 14) / 14] x 100
Subtract the new number by the original number
309 - 14 = 295
295 ÷ 14 = 21.071428571428573
21.071428571428573 x 100 = 2107.14%