What is % of ?

You want to know the answer to this question: What is 90 percent of 10? Here is a very simple step-by-step guide to find out. This type of percentage calculation is most commonly used if you try to determine the tip, for example, in a restaurant.

1. We use the following formula: \(\text{Percentage of a value}\) = \(X \cdot P\%\)

2. \(X = 10\)

3. \(P\% = 90\)

4. \(10 \cdot 90\%\) = \(10 \cdot 0.9\) = \(9\)

Use the percentage calculator to solve other similar percentage calculation questions. Would you like to use another calculation? Just click and you will see the result of the percentage calculation immediately:

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