The fraction 90/91 is equal to 98.90% when converted to a percentage and rounded to the nearest two decimal places. This percentage is very close to 100%, showing that 90/91 represents a large portion of a whole. It's just slightly less than the full amount, missing only about 1% of the total.
In everyday situations, 98.90% could be used to describe things that are nearly complete or almost perfect. For example, a student might score 90 out of 91 points on a test, achieving this percentage. Or a factory might produce 90 good products out of every 91 made, reaching this level of efficiency. While not quite 100%, it's still an impressive and high percentage in most contexts.