Eight Four Suited vs Queen Four Offsuit

At the flop:
Winning 17.49% of the time
Tied 0% of the time
Losing 82.51% of the time

At the Turn:
Winning 24.53% of the time
Tied 0.71% of the time
Losing 74.76% of the time

At the River:
Winning 30.6% of the time(12.8% with trips or better)
Tied 3.77% of the time
Losing 65.63% of the time(4.55% with trips or better)