Listing employees and their salary as percentage of total salaries using Derived table : I have a table with names, job, salary etc.. what i want to do is to list all names, salary and a third collumn with their salary as a percentage of total salary. like this: https://gyazo.com/179626fb821541405bce72b604cf9475

the table looks like this: https://gyazo.com/95562f6e7bf775aed80954608a2ac5e8

im new to mysql and all help is good help.. 

thanks