How are these numbers calculated?

Big Games

How we did yesterday and who we should root for today.   Explain

Tuesday, 1/2100.0*Chance in playoffs100.0*Average seed
Book Hockey 228.85 Frolunda HC 175.85 +10.9
+1.0
Nailers 263.25 Seussical The M 175.15 -0.2
Mac to the Future 244.55 Yourmomcantspell 242.85 -0.1
Double Bennatra 164.05 Denim Chicken 214.2 -0.1
Bar Down 245.8 Stamcock and th 191.05 -0.1
Flying Zambonis 254.75 Elias Threepeat 265.55 +0.1
If winner is:HomeAway
Wednesday, 1/3100.0*Chance in playoffs100.0*Average seed
Stamcock and th vs Book Hockey-12.0+7.8
-1.1+0.7
Seussical The M vs Mystic Coupons+0.4-0.2
+0.1-0.0
Yourmomcantspell vs Bar Down+0.3-0.2
Elias Threepeat vs Nailers-0.2+0.2
Denim Chicken vs Flying Zambonis+0.2-0.2

What If

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

100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs1234567891011121314Count
1311-0In10025,575
1210-1In9910210,637
119-2In901000900,595
108-3In59356002,298,692
97-4100.0%174032101003,911,549
86-598.41723342592004,638,759
75-652.900151729281540003,920,472
64-72.50021024312381002,359,193
53-80.00017213427101992,129
42-9Out0019294220276,807
31-10Out005336246,095
20-11Out006946,937
Total:71.7%161413111087654321119,587,440
Games Above .500
Chance Will Make Playoffs