1728.57% is the change from 14 to 256
Calculation steps:
[( 256 - 14 ) ÷ 14] x 100 = 1728.57%
Formula
Percentage change = [(256 - 14) / 14] x 100
Subtract the new number by the original number
256 - 14 = 242
242 ÷ 14 = 17.285714285714285
17.285714285714285 x 100 = 1728.57%