MajoReduc, the best application for calculating percentages (increase/reduction). Very useful for salary negotiations, price increases, balances, finances, etc... It is also a very good companion for the clearance sale!

Calculator percentage
This application allows you to easily calculate a percentage increase or decrease. (salary, finance, prices, vat, etc...)

Clearance sale
This mode lets you quickly know the price of a sold out item.

Contact
If you find any bug or if you have ideas for improvements, please contact me.

WebSite
MajoReduc website: http://www.progmatique.fr/freewares/freeware-14-MajoReduc.html