6/26 as a percentage is 23.08%. This fraction can be reduced to 3/13, but the decimal and percentage form stay the same. Knowing the percentage helps you quickly compare it to other values in everyday situations.
When you see 23.08%, you’re looking at a little less than a quarter of a whole. That makes it useful for estimating parts of a group, like figuring out how many out of 100 items would match the fraction.
In practical terms, 6 out of every 26 items represent about 23 out of every 100. Remembering the rounded percentage makes it easy to work with the number without having to keep the fraction in mind.