Seven Two Offsuit vs King Eight Offsuit

At the flop:
Winning 24.84% of the time
Tied 0% of the time
Losing 75.16% of the time

At the Turn:
Winning 29% of the time
Tied 0% of the time
Losing 71% of the time

At the River:
Winning 32.44% of the time(10% with trips or better)
Tied 0.57% of the time
Losing 66.99% of the time(2.31% with trips or better)