How Do I Calculate A Percentage Of A Percentage?

How do I calculate a percentage of an amount?

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How to calculate percentage of a number.

Use the percentage formula: P% * X = YConvert the problem to an equation using the percentage formula: P% * X = Y.P is 10%, X is 150, so the equation is 10% * 150 = Y.Convert 10% to a decimal by removing the percent sign and dividing by 100: 10/100 = 0.10.More items….

How do I calculate a percentage of 2 percentages?

Calculate the percentage average To find the average percentage of the two percentages in this example, you need to first divide the sum of the two percentage numbers by the sum of the two sample sizes. So, 95 divided by 350 equals 0.27. You then multiply this decimal by 100 to get the average percentage.

What is the formula of amount?

Use this simple interest calculator to find A, the Final Investment Value, using the simple interest formula: A = P(1 + rt) where P is the Principal amount of money to be invested at an Interest Rate R% per period for t Number of Time Periods. Where r is in decimal form; r=R/100; r and t are in the same units of time.

What is the formula of selling price?

selling price = (100 + profit%)cost price/100; [Here, cost price and profit% are known.] 1.

Is percentage and percentile the same?

The key difference between percentage and percentile is the percentage is a mathematical value presented out of 100 and percentile is the per cent of values below a specific value. The percentage is a means of comparing quantities. A percentile is used to display position or rank.

How do you convert a number into a percentile?

How to calculate percentileRank the values in the data set in order from smallest to largest.Multiply k (percent) by n (total number of values in the data set). … If the index is not a round number, round it up (or down, if it’s closer to the lower number) to the nearest whole number.Use your ranked data set to find your percentile.

How do you find the percentage of a percentile?

Divide this sum by the total number of points in the entire sample, and then multiply by 100 to convert to a percent. The second type of percentile is easier to calculate. Simply divide the number of points below the chosen point by the total number of points in the sample, and then multiply by 100.

What is the formula to calculate discount percentage?

To calculate the percentage discount between two prices, follow these steps: Subtract the post-discount price from the pre-discount price. Divide this new number by the pre-discount price. Multiply the resultant number by 100.

How do you turn a percentage into a number?

Step 1: Write down the percent divided by 100 like this: percent 100. Step 2: If the percent is not a whole number, then multiply both top and bottom by 10 for every number after the decimal point. (For example, if there is one number after the decimal, then use 10, if there are two then use 100, etc.)

How do I get a 10% discount?

One of the easiest ways to determine a 10 percent discount is to divide the total sale price by 10 and then subtract that from the price. You can calculate this discount in your head. For a 20 percent discount, divide by ten and multiply the result by two.

What is the formula for percentile rank?

Percentile rank formula is used to give rank percentile of a given list, in normal calculations we know the formula is R = p/100(n+1), in excel we use the rank. eq function with the count function to calculate the rank percentile of a given list.