Eight Four Suited vs Jack Two Suited

At the flop:
Winning 29.59% of the time
Tied 0% of the time
Losing 70.41% of the time

At the Turn:
Winning 37.05% of the time
Tied 0% of the time
Losing 62.95% of the time

At the River:
Winning 41.92% of the time(15.87% with trips or better)
Tied 1.42% of the time
Losing 56.66% of the time(3.4% with trips or better)