How are these numbers calculated?

Big Games

How we did last week and who we should root for this week.   Explain

Week of 1/5100.0*Chance in playoffs100.0*Average seed
Central Coast 0 New Zealand 0 -0.6
-0.0
Newcastle 1 Central Coast 0 *-0.1
-0.0
Week of 1/12100.0*Chance in playoffs100.0*Average seed
Adelaide 1 Sydney 0 +20.7
+0.7
Melbourne 1 Brisbane 2 -7.0
-0.2
Perth 3 Newcastle 3 +4.7
+0.1
Week of 1/19100.0*Chance in playoffs100.0*Average seed
Central Coast 1 Adelaide 3 +0.6
Brisbane 1 Sydney 1 +0.4

* A starred number could be exactly 0 or just really small. The simulation did not run long enough to know.

Points
Chance Will Make Playoffs