hello,
Maby you can help me make somthing I have done things myself but i am a litle stuck it has somthing to do with my admin of product list like you can see in the picture i have done alot but now i want to ad a percentage i know that it has somthing to do with taking the result out of the column named (winstverlies) and devide that trough the purchese price and multiply this by 100 but i can not implement this in my code.
the code is PHP so who can help me? so i want it to look like on the picture. is this posible? picture is in the file named percentage.jpg
So i would be verry pleasd if you could help me?