How are these numbers calculated?

Big Games

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

Friday100.0*Chance in playoffs100.0*Average seed
Worcester 2 Rockland 12 +1.3
+0.1
Quebec 7 New Jersey 8 -0.4
If winner is:HomeAway
Saturday100.0*Chance in playoffs100.0*Average seed
Worcester vs Rockland-1.5+1.8
-0.1+0.1
Quebec vs New Jersey+0.2-0.3

What If

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

100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs12345678910111213Count
68-89In100472*
6758-22In93840
6657-23In946101
6556-2499.6%9360225
6455-2599.89280481
6354-2699.7881201,191
6253-2799.7841502,309
6152-2899.3762314,734
6051-2998.3643428,844
5950-3096.15046415,720
5849-3191.236559026,591
5748-3283.0236017042,232
5647-3371.3135829064,823
5546-3457.365143093,457
5445-3542.5340570128,133
5344-3629.0128701167,283
5243-3718.0018802207,308
5142-389.90108550243,294
5041-395.3058780272,724
4940-402.90384130289,400
4839-411.0177210292,710
4738-420.3066321280,708
4637-430.1053433256,817
4536-440.0040537223,374
4435-450.00275914184,494
4334-460.00166024144,092
4233-470.0095536107,484
4132-480.004475075,596
4031-49Out2356350,871
3930-50Out1257532,189
3829-51Out0168319,485
3728-52Out0108911,099
3627-53Out07936,108
3526-54Out4963,071
3425-55Out2981,460
3324-56Out0298708
3223-57Out0100308
9-31Out100636*
Total:11.8%210562483,260,572

* Row combines multiple less frequent records.

Games Above .500
Chance Will Make Playoffs