Jack Four Offsuit vs Jack Seven Offsuit

At the flop:
Winning 16.03% of the time
Tied 0% of the time
Losing 83.97% of the time

At the Turn:
Winning 19.87% of the time
Tied 11.61% of the time
Losing 68.52% of the time

At the River:
Winning 23.12% of the time(6.7% with trips or better)
Tied 27.54% of the time
Losing 49.34% of the time(5.07% with trips or better)