Eight Four Suited vs Jack Ten Offsuit

At the flop:
Winning 25.84% of the time
Tied 0% of the time
Losing 74.16% of the time

At the Turn:
Winning 31.42% of the time
Tied 0% of the time
Losing 68.58% of the time

At the River:
Winning 35.93% of the time(16.4% with trips or better)
Tied 1.01% of the time
Losing 63.06% of the time(2.54% with trips or better)