33/90 as a percentage is 36.67%. This value tells you how much of a whole the fraction represents when you look at it in terms of hundredths.
The fraction 33/90 can be reduced to 11/30, but the percentage stays the same because it’s just another way to show the same part of a whole. Whether you write it as a fraction or a percent, you’re describing the same amount.
In everyday use, you might see 36.67% on a chart, a bill, or a report. It’s a quick way to compare parts of a whole without dealing with the original numbers.