33/87 as a percentage is 37.93%. This is the rounded value you’ll see on most calculators and charts.
The fraction 33/87 can be reduced by dividing both numbers by 3, giving the simpler form 11/29. Even in its reduced form, it still represents the same portion of a whole.
Knowing the percentage helps when you need to compare this part to other values, especially in reports or simple everyday calculations. The 37.93% figure is accurate to two decimal places, which is usually precise enough for most purposes.