How are these numbers calculated?

Big Games

How we did yesterday and who we should root for today.   Explain

Sunday100.0*Average seed
Crusaders 1 Leopards 5 +0.3
Monday100.0*Average seed
Destroyers 2 Bulldogs 3 -0.5
Rockets 3 Knights 1 +0.3
Tuesday100.0*Average seed
Icedogs 2 Crusaders 4 -0.6
Icemen 4 Knights 5 -0.5
Points
Chance Will Make Playoffs