Percentage button!! The percentage button on this calculator is automatically giving a 25% increase to whatever number I input. For example the following entry "12000 + 20%" should yield 14,440 but on this calculator the same entry yields 15,000. The only way I can get the correct number is to enter "12000 x (not +) 120%". I've never used any other calculator that gave this weird output. Thoughts?? Thanks in advance for any help you can provide.

• Enter the number you want to find the percentage of (150 in this example).
• Press the multiplication key (*).
• Enter the percentage value (20 in this example).
• Press the percentage key (%).

To get around this, you can calculate your numbers as percentages first. For example, if you type the formula =10/100 in cell A2, Excel will display the result as 0.1. If you then format that decimal as a percentage, the number will be displayed as 10%, as you 'd expect.Aug 2, 2011


How to do percentages in Excel - Office Blogs

https://blogs.office.com/2011/08/02/how-to-do-percentages-in-excel/
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How to Calculate Percentages in Excel

www.excelfunctions.net > Excel-Formulas
Two Percentage Calculation Types. Calculate a Percentage as a Proportion.Calculate Percentage Change. Displaying Percentages in Excel Cells ...

Excel formula: Get percentage of total ' Exceljet

https://exceljet.net/formula/get-percentage-of-total
Excel simply divides the values in column C by the total in C11. For the formula shown, the result is the decimal number .63. Because the Percentage number format is applied to cell E6, Excel displays .63 as 63%.

How to convert percent to fraction

1. Divide the percent by 100 to get decimal number.
2. Count the number of digits (d) to the right of the decimal point of the decimal number.Example: 2.56 has 2 digits to the right of the decimal point, so d=2.
3. Calculate the factor (f) for making the decimal number an integer: f = 10 to power d
   Example:
   f = 10 power 2 = 100
   
4. Multiply and divide the decimal number x by the factor f: x * f / f = y / f
   Example:
   2.56 * 100 / 100 = 256 / 100
   
5. Find the greatest common divisor (gcd) of the fraction. Example:
   gcd(256,100) = 4
   
6. Reduce the fraction by dividing the numerator and denominator by the gcd value: Example:
   256 / 100 = (256/4) / (100/4) = 64/25
   

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Calculate the amount if you know the total and percentage For example, if you purchase a computer for $800 and there is an 8.9% sales tax, how much do you have to pay for the sales tax? In this example, you want to find 8.9% of 800.
Example The example may be easier to understand if you copy it to a blank worksheet.

1. Create a blank workbook or worksheet.
2. Select the example in the Help topic. Note Do not select the row or column headers.
   Selecting an example from Help
3. Press CTRL+C.
4. In the worksheet, select cell A1, and press CTRL+V.
5. To switch between viewing the results and viewing the formulas that return the results, press CTRL+` (grave accent), or on the Formulas tab, in the Formula Auditing group, click the Show Formulas button.

1. Create a blank workbook or worksheet.
2. Select the example in the Help topic. Note Do not select the row or column headers.
   Selecting an example from Help
3. Press CTRL+C.
4. In the worksheet, select cell A1, and press CTRL+V.
5. To switch between viewing the results and viewing the formulas that return the results, press CTRL+` (grave accent), or on the Formulas tab, in the Formula Auditing group, click the Show Formulas button.