78.16% is what you get when you turn the fraction 68⁄87 into a percentage.
The fraction 68⁄87 is a little bit more than two‑thirds, so its percent value sits just under 80 %. It’s a useful number when you need a quick sense of how large a part of a whole something is.
In everyday situations you might see this kind of percentage on a grade report, a sales discount, or a survey result. It tells you that out of every 100 parts, about 78 are covered by the original fraction.
Remember, writing it as 78.16% makes it easy to compare with other percentages without having to work with the original fraction.