How do you convert a classic formation format to the new format

[asdaqwerty1]

Help?

 

[TJD07]

You remake it so it's in the new format.

 

[Mitre Delta 1000]

You don't, there is no way to covert classic tactics backwards.
You can however create a new tactic and using 'educated guesses' to try to work out team philosophy, player roles of a classic tactic.

Good luck.