How are these numbers calculated?

Big Games

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

If winner is:HomeDrawAway
Week of 10/1100.0*Average seed
Southland vs Hawke’s Bay-0.4+0.1+0.1
Bay of Plenty vs Wellington+0.1+0.1-0.1
If winner is:HomeDrawAway
Week of 10/8100.0*Average seed
Hawke’s Bay vs Waikato+0.1+0.1-0.5
Wellington vs Manawatu-0.0+0.1+0.1

What If

Chances based on how well the Hawke’s Bay finish out the regular season.   Explain

100100100100100100100
If finish:Chance inChance will finish regular season at seedRelegated to
TPW-OTLDplayoffs1234567ChampionshipCount
32-34In100No33,666,016*
301-010In4951No11,419,049
0-002In4852No9,584
280-011In4753No194,176
260-020In46927No991,419
Total:In85141No46,280,244

* Row combines multiple less frequent records.

Points
Chance Will Make Playoffs