## Online Percentage Calculator

X is what % of Y?

### Result: 100%

**How to use this Online percentage calculator**

Discover a percentage or work out the percentage given numbers and percent values. Use percent formulas to figure out percentages and questions in equations. Add or subtract a percentage from a number or solve the equations.

**How to Calculate Percentages**

There are many formulas for percentage problems. You can think of the most basic as X/Y = P x 100. The formulas below are all mathematical variations of this formula.

Let's explore the three basic percentage problems. X and Y are numbers and P is the percentage:

- Find P percent of X
- Find what percent of X is Y
- Find X if P percent of it is Y

**Percentage calculator example problems:**

**Example 1:**

X= 300

Y= 600

Results: **50%**

**Example 2:**

X= 400

Y= 600

Results: **66.66%**

**Example 3:**

X= 550

Y= 600

Results: **91.66%**

**Example 4:**

X= 250

Y= 600

Results: **41.66%**

**Example 5:**

X= 700

Y= 1000

Results: **70%**

**Example 6:**

X= 849

Y= 1000

Results: **84.89%**