46/90 as a percentage is 51.11%. This is the rounded figure you get when you change the fraction into a percent.
The fraction 46/90 can be simplified a bit, but the exact value stays the same. It tells you that for every 90 parts, you have 46 parts of something.
When you see 51.11%, think of it as just over half. If you split something into 100 equal pieces, about 51 of those pieces would be taken.
Using percentages like this helps compare numbers quickly, especially when dealing with scores, discounts, or any situation where a part of a whole matters.