How are these numbers calculated?

Big Games

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

Week of 11/17100.0*Chance in playoffs100.0*Average seed
49ers 133.7 geoffinitely 156.3 -18.1
-1.0
Wham 165.3 Forgotten 0 -4.8
-0.1
Olde 149.6 Gronk 130 -2.7
-0.1
Bumbaugh 68.8 Miller 112.1 +2.0
+0.1
Riley 72.9 Ford 124.8 -1.3
-0.1
Be Like 94.5 Baste 131.6 +0.3
Week of 11/24100.0*Chance in playoffs100.0*Average seed
49ers 90.5 Baste 76.9 +24.4
+0.9
Wham 91.9 geoffinitely 112.5 +5.2
Be Like 112.3 Gronk 146.9 +4.7
+0.2
Olde 134.6 Ford 133.9 -3.1
-0.1
Bumbaugh 138.3 Forgotten 0 -0.2
-0.1
If winner is:HomeAway
Week of 12/1100.0*Chance in playoffs100.0*Average seed
Gronk vs 49ers-27.4In
-1.3+1.3
Baste vs Wham+12.4-12.4
geoffinitely vs Bumbaugh-9.2+9.2
-0.2+0.2
Ford vs Be Like+5.0-5.0
+0.1-0.1
Riley vs Forgotten-0.2+0.2
Olde vs Miller-0.1+0.1

What If

Chances based on how well the 49ers finish out the regular season.   Explain

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-Lplayoffs123456789101112Count
01-0In21024322579,600,663
0-145.2%93640159,594,833
Total:72.6%151216172120719,195,496
Points
Chance Will Make Playoffs