Financial Toolbelt - Powerful calculators that help you improve your finances
PercentageTools.com - Percentage calculator, online calculates percentage in many situations, simply enter the numbers and get the result and the formula of calculation.
Bootstrap Money - How much money can you make selling software?
Baker's Percentage Calculator - Enter the ingredient weight and the total flour weight into the calculator to determine the baker's percentage of that ingredient.
Evaluator - A simple calculator app for macOS and Windows
Percentage Calculator - The percentage calculator to make your life easier