-38.87% is the change from 391 to 239
Calculation steps:
[( 239 - 391 ) ÷ 391] x 100 = -38.87%
Formula
Percentage change = [(239 - 391) / 391] x 100
Subtract the new number by the original number
239 - 391 = -152
-152 ÷ 391 = -0.3887468030690537
-0.3887468030690537 x 100 = -38.87%