How are these numbers calculated?

Big Games

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

Week of 2/17100.0*Chance in playoffs100.0*Average seed
Knighthawks 6 Rock 10 +3.6
+0.4
Rock 12 Swarm 13 -2.4
-0.5
Swarm 15 Knighthawks 9 +0.1
-0.0
Rush 8 Mammoth 7 +0.1
If winner is:HomeAway
Week of 2/25100.0*Chance in playoffs100.0*Average seed
Bandits vs Rock-2.2+1.7
-0.4+0.3
Rush vs Roughnecks+0.2-0.2
Stealth vs Knighthawks-0.1+0.1
Black Wolves vs Mammoth-0.1+0.1

What If

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

100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789Count
1611-0In99171,969
1510-1In9460537,250
149-2In802002,105,006
138-3In5443304,925,783
127-4In245917007,664,117
116-5In543466008,312,254
105-6100.0%01045378006,423,511
94-797.7083240182003,534,920
83-858.502174033801,357,624
72-97.600736479346,788
61-100.106544053,155
50-11Out0307013,465
Total:97.1%203224116321035,345,842
Games Above .500
Chance Will Make Playoffs