How to Calculate Percentages of a Total Loan in Adobe Acrobat
Question details
The user needs to calculate the exact percentage that each individual loan source contributes to a total loan amount in order to complete an Acrobat PDF document.

- Product
- Adobe Acrobat
- Device & OS
- not provided
- Scenario
- Filling out or creating a financial PDF form where various funding sources (e.g., a bank loan and other sources) must be represented as a percentage of the total loan.
- Observed behavior
- The user needs the specific mathematical steps and formulas to accurately derive the 85.47% and 14.53% figures for their respective loan amounts.
Ensure you have the exact numerical figures for each individual loan source as well as the combined total loan amount before applying the percentage formula.
Manually Calculate the Loan Percentages Using Basic Math
Use standard percentage formulas to determine the exact proportion of each loan source before entering the final values into your PDF document.
To find the percentage of any part relative to a whole, you divide the part by the total and then multiply by 100. This is the quickest way to get the exact numbers needed for your financial documents.
Add all of your loan sources together to find the absolute total. For example, 100,000 (Bank) + 17,000 (Other sources) = 117,000.
Divide the bank loan amount by the total amount (100,000 ÷ 117,000 = 0.8547). Multiply the result by 100 to get the percentage, which is 85.47%.
Divide the other sources' amount by the total amount (17,000 ÷ 117,000 = 0.1453). Multiply by 100 to get 14.53%.
Open your PDF file in Adobe Acrobat, select the appropriate text fields, and manually type in 85.47% and 14.53%.

Set Up Automatic Percentage Calculations in Acrobat Form Fields
If you are designing the PDF form, you can use Acrobat's built-in calculation tools so the percentages update automatically when loan amounts are entered.
Calculate Loan Percentages Effortlessly with WPS Office
While PDF tools are great for final forms, calculating complex loan data is much faster in a spreadsheet. WPS Office features a powerful Spreadsheet tool for automatic financial calculations and a comprehensive PDF editor to seamlessly finalize your loan documents.
- 1. Open WPS Spreadsheet: Launch WPS Office and create a new blank workbook.
- 2. Enter your loan data: Type your loan sources in column A (Bank, Other) and their respective amounts in column B (100000, 17000).
- 3. Calculate the total: In a new cell below the amounts, use the formula =SUM(B2:B3) to instantly calculate the 117,000 total.
- 4. Apply the percentage formula: In column C, type the formula =B2/$B$4 (assuming the total is in cell B4) and press Enter to calculate the proportion.
- 5. Format as a percentage: Select the formula cells and click the '%' icon in the Home tab to display them as percentages like 85.47%.

Frequently Asked Questions
Why do my calculated loan percentages not add up exactly to 100%?
This usually happens due to rounding. If you round 85.47% down to 85% and 14.53% down to 14%, your total will be 99%. To ensure an exact 100% total, format your fields to include at least two decimal places.
Can I format a PDF text field to automatically display the '%' symbol?
Yes. In Adobe Acrobat's Prepare Form mode, right-click the field, go to Properties, select the Format tab, and choose 'Percentage' from the category dropdown menu. This will append the symbol automatically.
How do I calculate the percentage if there are more than two funding sources?
The core formula does not change. First, add every single funding source together to establish your absolute total. Then, independently divide each individual source amount by that grand total, and multiply by 100.
Is there a way to calculate PDF percentages without using JavaScript code?
Yes. In the field properties under the Calculate tab, you can select 'Simplified field notation' instead of custom JavaScript. This allows you to type standard math operators, such as BankAmount / TotalAmount * 100, which is easier for beginners.




