Basic Percentage Calculators

This is basic calculator application. Where provided function to calcualte
1) Percent Amount

2) ? is percent of amount.
(e.g. 24 % of ? is 36)

3) How much percent is?.
(e.g. ?% of 45 is 9)

Note: Soon will provide you the updated app with more features & with good user interface. including validation over the input amount.

Still you can provide your feedback to improve the calculator. or needed feature will try to accomplish it.