1247/1242 = ≈100.4%
Rounded to 2 decimal places.
A value like 1247/1242 can show up when something is just slightly higher than its original amount, such as a store selling 1,247 items after expecting 1,242. It represents about 100.4%, so the actual amount is a little more than the reference amount.
To picture it quickly, imagine 1242 as one full group and 1247 as that same group plus five extra items. Since the two numbers are very close, you can estimate the fraction as just over 100%, not as a much larger value.
A common mistake is thinking that 100.4% means only 0.4% of the original amount. In fact, it means the entire original amount, or 100%, plus an additional 0.4%.