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To Calculate Percent of a Number use our Percentage of a Number Calculator. For example, find 5% percent of 70. Percent of number calculator will give you the answer, it's 3.5. percent increase between two numbers? Problem solved with Calculate Percent Increase. Find percent % increase from 2 to 10. The answer is 400%.


Find a percentage or work out the percentage given numbers and percent values. Use percent formulas to figure out percentages and unknowns in 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.


Percentage Calculator. Percentage Calculator is a free online tool to calculate percentages. What is % of ? % is what percent of ? % What is the percentage increase/decrease from to ? % Tips: Use tab to move to the next field. Use shift-tab to move to the previous field.


Once you have the decimal figure, multiply it by the number for which you seek to calculate the percentage; i.e., if you need to know 30 percent of 100, you convert 30 percent to a decimal (0.30) and multiply it by 100 (0.30 x 100, which equals 30).


Knowing how to calculate percentages will help you not only score well on a math test but in the real world as well. They are used for calculating tips in restaurants, finding out the nutritional content of your food, or even determining statistics of your favorite sports team.


For an explanation and examples of using percentages generally see our page Percentages: An Introduction. For more general percentage calculations see our page Percentage Calculators. If your answer is a negative number then this is a percentage increase. If you wish to calculate the percentage ...


Free math lessons and math homework help from basic math to algebra, geometry and beyond. Students, teachers, parents, and everyone can find solutions to their math problems instantly.


There are several different ways to solve problems involving percentages, decimals, and fractions. Watch as Sal finds the percentage of a whole number.


Percentages are one way to represent the relationship between a portion and the whole. Common uses for percentages include calculating the portion of sales an employee is responsible for, the portion of strikes a pitcher throws or the portion of questions a student gets correct on a test.


Percentages are everywhere in life: You use them to figure out how much to tip at a restaurant, how much of a work goal you've met, and how much that dress that's on sale will cost. The only tools you need to calculate percentages are basic operations like addition, multiplication and division.