36/55 expressed as a percentage is 65.45%. This number tells you how much of a whole the fraction represents when you think in terms of 100 parts.
The fraction 36/55 is a bit more than half but less than two‑thirds of a whole. If you picture 55 equal pieces, taking 36 of them gives you a little more than five out of every eight pieces.
In everyday situations, you might round the percentage to 65 % for quick estimates, but the more precise 65.45% is useful when exact values matter, such as in budgeting or grading.