-24.84% is the change from 318 to 239
Calculation steps:
[( 239 - 318 ) ÷ 318] x 100 = -24.84%
Formula
Percentage change = [(239 - 318) / 318] x 100
Subtract the new number by the original number
239 - 318 = -79
-79 ÷ 318 = -0.24842767295597484
-0.24842767295597484 x 100 = -24.84%