I have a table that holds this information
I need to calculate Ronaldo scoring rate as the time increase
As at 01/01/2018 to 01/01/2018
Ronaldo scoring ratio is 100% since one goal in one match
between the period 01/01/2016 to 10/03/2018 His ratio is 75% (3/4)
How can I make it a dynamic system?