1493.33% is the change from 15 to 239
Calculation steps:
[( 239 - 15 ) ÷ 15] x 100 = 1493.33%
Formula
Percentage change = [(239 - 15) / 15] x 100
Subtract the new number by the original number
239 - 15 = 224
224 ÷ 15 = 14.933333333333334
14.933333333333334 x 100 = 1493.33%