2093.33% is the change from 15 to 329
Calculation steps:
[( 329 - 15 ) ÷ 15] x 100 = 2093.33%
Formula
Percentage change = [(329 - 15) / 15] x 100
Subtract the new number by the original number
329 - 15 = 314
314 ÷ 15 = 20.933333333333334
20.933333333333334 x 100 = 2093.33%