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 +0.2
Monday100.0*Average seed
Rockets 3 Knights 1 -0.7
Destroyers 2 Bulldogs 3 +0.3
Tuesday100.0*Average seed
Icemen 4 Knights 5 +0.7
Icedogs 2 Crusaders 4 -0.3
Points
Chance Will Make Playoffs