How are these numbers calculated?

Big Games

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

Monday, 4/9None
If winner is:HomeTieAway
Tuesday, 4/10100.0*Chance in playoffs100.0*Average seed
SL vs SPA-3.8+14.0+3.1
+0.1+0.4-0.1
ME vs SPA+7.8+8.1-8.2
+0.2+0.2-0.2
SL vs ME-7.9+7.0+7.6
-0.1+0.1+0.1

What If

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

100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-L-Tplayoffs1234567891011Count
100-0-078.7%13662114,140,334
Total:78.7%13662114,140,334
Games Above .500
Chance Will Make Playoffs