The fraction 87/100 is equal to 87.00% when expressed as a percentage. This means that if you have 87 parts out of a total of 100, you're dealing with 87 percent of the whole. It's a common fraction that comes up in various real-world situations, from test scores to statistics.
You might see 87/100 or 87% in contexts like grades on exams, success rates in experiments, or even as a battery charge level on your phone. It represents a fairly high portion of the total, being more than three-quarters but less than nine-tenths of the whole. When you encounter this fraction or percentage, you can think of it as being close to, but not quite, 90% or 9/10 of something.