Win% represents the percent games played that were won.
Games Won + ( Games Tied × 0.5 ) ) ÷ Games Played = Win%
( 1 + ( 0 × 0.5 ) ) ÷ 8 = 12.5%
SOS1 represents the average of opponents' Win% for each game.
AVERAGE(
76.9%
80.0%
14.3%
0.0%
25.0%
53.8%
53.3%
46.2% ) = 0.361
SOS2 represents the average of opponents' SOS1.
AVERAGE(
0.357
0.365
0.528
0.580
0.560
0.526
0.466
0.611 ) = 0.486
RPI represents the Ratings Percentage Index
( 40% × Win% ) + ( 40% × SOS1 ) + ( 20% × SOS2 ) = RPI
( 40% × 0.125 ) + ( 40% × 0.361 + ( 20% × 0.486 ) = 0.308
( 0.050 ) + ( 0.144 ) + ( 0.097 ) = 0.308