67/84 as a percentage is 79.76%. This number tells you how much of a whole 67 parts out of 84 represent when you look at it in terms of 100.
The fraction 67/84 is already in its simplest form, so the value stays the same no matter how you write it. It shows that you have 67 pieces out of a total of 84 equal pieces.
Knowing the percentage makes it easy to compare this amount with other percentages, like 75% or 80%, and to see that 67/84 is a little below 80% of a whole. This can be useful in everyday situations such as grading, budgeting, or measuring parts of a project.