How are these numbers calculated?

Big Games

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

Week of 5/28100.0*Chance in playoffs100.0*World Cup Qualifying100.0*Average seed
New Zealand 3 Fiji 1 -25.0
-19.0
-1.3
Vanuatu 0 New Zealand 5 -0.9
+4.2
Papua New Guinea 1 New Caledonia 1 +0.2
+0.7
Tahiti 4 Samoa 0 -0.1
Vanuatu 0 Solomon Islands 1 +0.1
If winner is:HomeTieAway
Solomon Islands vs Fiji-27.3-4.3+29.1
-20.7-8.6+24.4
-1.2-0.4+1.4
New Caledonia vs Samoa-0.8+1.8*+0.0
+0.3+1.5-0.9
-0.0+0.1-0.0
Papua New Guinea vs Tahiti-0.7+0.4+0.5
-2.6-0.3+2.7
-0.1+0.0+0.1
If winner is:HomeTieAway
Week of 6/4100.0*Chance in playoffs100.0*World Cup Qualifying100.0*Average seed
Fiji vs Vanuatu+23.8-0.4-23.6
+33.4+1.9-34.2
+1.5-0.1-1.4
New Zealand vs Solomon Islands+6.6-2.0-5.7
+2.2-1.5-1.5
+0.1-0.1-0.1
Papua New Guinea vs Samoa-0.8+1.8*+0.0
+0.3+1.5-0.9
-0.0+0.1-0.0
Tahiti vs New Caledonia+0.5+0.4-0.7
+2.7-0.3-2.6
+0.1+0.0-0.1

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

What If

Chances based on how well the Fiji finish out the regular season.   Explain

100100100100100100100100
If finish:Chance inWorld CupChance will finish regular season at seed
TPW-OTLTplayoffsQualifying12345678Count
62-00099.7%Yes103844803,274,270
41-00161.1Yes016453452,801,231
31-0105.282.9%0533451526,534,814
20-0020.477.40146323598,241
10-011Out14.411444422,801,483
00-020OutNo10903,275,897
Total:27.6%64.1%2710101720142219,285,936
Points
Chance Will Make Playoffs