This application is a handy tool for calculating percentages. 

For example, if you want to know what percentage of your sales is from the app. you can enter the numbers and get the answer immediately.

To get the answer you can either use the simple mode or the advanced mode. The simple mode allows you to enter only numbers, while the advanced mode allows you to enter numbers and operators (+,-,*).

You can use the percent symbol or the number symbol to enter the percentage.

To get the result you can either use the result button or the graph button.

The result button will give you the result in text format, while the graph button will give you the result in the form of a graph.

This application has an intuitive and simple user interface.