iPhone Giveaway of the Day - Percentage Calculator - SHOWS THE CALCULATION !!!

Percentage calculator, very easy to use.
THE APP CAN SOLVE EVERY PROBLEM ABOUT PERCENTAGES.
THE APP ALSO SHOWS THE COMPLETE CALCULATION MADE TO FIND THE SOLUTION!!!

IN THE SCREENSHOTS ABOVE THE DATA IN GREEN ARE CALCULATED BASING ON THE USER INPUT (IN WHITE).
Just input two values, the third will be automatically calculated.
The perfect tool for students who need to learn percentages.
It's also possible to share the complete solution.

The App can compute:

PERCENTAGE PART

• CALCULATE TOTAL based on part and percentage
• CALCULATE PART based on total and percentage
• CALCULATE PERCENTAGE based on total and part

PERCENTAGE CHANGES

• INITIAL VALUE based on final value, increase/decrease and percentage
• FINAL VALUE based on initial value, increase/decrease and percentage
• PERCENTAGE based on initial value, final value and increase/decrease