2121.43% is the change from 14 to 311
Calculation steps:
[( 311 - 14 ) ÷ 14] x 100 = 2121.43%
Formula
Percentage change = [(311 - 14) / 14] x 100
Subtract the new number by the original number
311 - 14 = 297
297 ÷ 14 = 21.214285714285715
21.214285714285715 x 100 = 2121.43%