The fraction 86/100 is equal to 86.00% when expressed as a percentage. This means that if you have 86 out of 100 parts of something, you have 86 percent of the whole. It's a common way to represent parts of a whole, especially when dealing with statistics, grades, or probabilities.
You might see 86/100 or 86.00% used in various real-world situations. For example, a student scoring 86 out of 100 on a test would have achieved 86% correct answers. In weather forecasts, an 86% chance of rain means it's highly likely to rain. This fraction and percentage are also close to some common benchmarks, like 85% (which is often considered a B grade in school) or 90% (which is frequently seen as an A grade).