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Percentages - Percent Calculator

Percentages - Percent Calculator



Percentages is a tool which allows you to make percent related calculations instantly and effortlessly by simply entering two values.

Whilst percentage formulas are not necessarily complicated, they can quite often take some working out. If you deal with percentages in any way then this app will make your life easier.

Percentages now comes with EIGHT percentage tools:

1. Find the percent of a number

Use this option to find the percentage of a value. For example, what is 17.5% of 199.99? Answer is 35

2. Find the percent of a part value

For example, what percentage is 55 of 200? Answer = 27.50%

3. Find the percentage change from one value to another

For example, If an item originally cost 19.99 and now costs 17.99, by what percent has the price changed? Answer = 10.01%

4. Calculate the value that y% is of value x

For example, 245 if 15% of what value? Answer = 1633.33

5. Increase a number by a percentage

For example, what is 239 + 7%? Answer = 255.73

6. Decrease a number by a percentage

For example, what is 47.00 less 15%? Answer = 39.95

7. Calculate the original value after a percentage was deducted

For example, If you have an item that costs 140.00 and this was after a 30% deduction, what was the original price before the deduction? Answer = 200.00

8. Calculate the original value after a percentage was added

For example, If an item costs 19.99 including tax at 17.5%, what does the item cost excluding tax? Answer = 17.01


- Large easy to see numbers

- Large numeric only keypad (less prone to miss types)

- Clear and easy explanation of the answer

- Learn mode (Clearly explains how the calculation was made and the formula)

- Popup help for each of the tools (simply press the info icon on the title bar)

- Reverse inputs (tap the centre button to swap the input values around)

- User definable number of decimal places

- International Number formatting with large number separators


- Save and Share

- Currency mode

- Landscape support

- iPad version re-design


Love this app! I no longer need to calculate all my work, which usually takes me forever. I calculate percentages on all my SEO SEM month over month traffic and revenue - this is a huge help!

Fantastic app used several times at work so quick and useful thank you

I've always struggled with percentages but I need them constantly at work for stats and reports. This app is exactly what I have been after all this time, it's very easy to use and I would be lost without it now. Incredibly good value and glitch-free - highly recommended.

Fast, easy to use. It spits out the results no problem.

I use this a lot for my price mark-ups/changes at work because my math is poor. Thanks for the simple and straightforward app!

Does everything that it says! Works out the % for you, that's great for my job buying materials for jobs!!


English, French, German, Spanish

We are always open to suggestions so please contact us if you have an idea you would like to see implemented.

What's New in Version 1.81

- Fixed number formatting when swapping numbers
- German localisation
- Spanish localisation

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Rated 4/5 based on 3 customer reviews.


2/5 stars


I just bought this silly little app. It's ok but doesn't have what I need for my biss. I want to be able to calculate backwards, for example. I sell something and I want to mark it up 30%, I divide my cost by 70 and I hit the percent symbol, that will give me my 30%. Now I want to be able to later on look at any product that I sold and apply a formula to that cost and tell me how much I made on that product by using the percent I use to mark up the item I sold.

5/5 stars

Percentage app.

It is extremely useful for what I need.

5/5 stars

useful app

it's really useful to quickly get a percentage value.


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The information may be outdated (2011-03-27 23:53:32). For actual information go to iTunes

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