67/73 as a percentage is 91.78%. This tells you that the fraction is just a little shy of a full whole, or 100%.
The fraction 67/73 represents a large part of the whole, because 67 is close to 73. In everyday terms, you could think of it as getting 91.78 out of every 100 points on a test, which is a very solid score.
When you need to compare this fraction to other numbers, the percentage makes it easy. Rounding to two decimal places keeps it clear and simple, so you can quickly see that 67/73 is roughly 92% of the total.
