3578.57% is the change from 14 to 515
Calculation steps:
[( 515 - 14 ) ÷ 14] x 100 = 3578.57%
Formula
Percentage change = [(515 - 14) / 14] x 100
Subtract the new number by the original number
515 - 14 = 501
501 ÷ 14 = 35.785714285714285
35.785714285714285 x 100 = 3578.57%