# JavaScript: Calculate the percentage of a number

## JavaScript Math: Exercise-32 with Solution

Write a JavaScript function to calculate the percentage (%) of a number.

Test Data:

console.log(percentage(1000, 47.12));

471.2

**Sample Solution:**

**JavaScript Code:**

```
// Define a function named percentage that calculates the percentage of a given number.
function percentage(num, per)
{
// Multiply num by per divided by 100 to find the percentage.
return (num/100)*per;
}
// Output the result of calculating 47.12% of 1000 to the console.
console.log(percentage(1000, 47.12));
```

Output:

471.2

**Flowchart:**

**Live Demo: **

See the Pen javascript-math-exercise-32 by w3resource (@w3resource) on CodePen.

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