How are these numbers calculated?

Big Games

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

Week of 1/29100.0*Chance in playoffs100.0*Relegated100.0*Average seed
Brisbane 1 Sydney 0 +13.0
-6.6
+0.7
Perth 3 Central Coast 1 -4.7
+0.0
Wellington 1 Adelaide 0 -3.8
-3.3
+0.0
North Queenslan 2 Newcastle 1 +2.3
-0.1
Week of 2/5100.0*Chance in playoffs100.0*Relegated100.0*Average seed
Adelaide 2 Brisbane 0 Out
-0.3
Melbourne 2 North Queenslan 0 *+0.1
+0.1
Central Coast 3 Newcastle 0 -0.2
Week of 2/12100.0*Chance in playoffs100.0*Relegated100.0*Average seed
Wellington 3 Central Coast 0 +0.3

* 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