320/319 = ≈100.31%
Rounded to 2 decimal places.
A value like 320/319 can show up when something is just slightly larger than the amount it is compared with. For example, a store might sell 320 items after expecting to sell 319, or a machine might produce a tiny bit more than its target, reaching 100.31% of the goal.
To picture it quickly, think of one whole pizza or a full 100% bar, plus just a very thin extra slice. Since the numerator is only 1 greater than the denominator, the value is very close to 1, or just over 100%.
A common mistake is to read 100.31% as if it means 100.31 percentage points more than the original amount. It actually means the total is about 0.31% above the original, so the increase is small even though the percentage is slightly over 100%.