Seven Two Offsuit vs Ace Four Offsuit

At the flop:
Winning 27.51% of the time
Tied 0% of the time
Losing 72.49% of the time

At the Turn:
Winning 32.09% of the time
Tied 0% of the time
Losing 67.91% of the time

At the River:
Winning 34.92% of the time(9.53% with trips or better)
Tied 0.47% of the time
Losing 64.61% of the time(2.5% with trips or better)