Percentage Calculator - Simple Percent Calc is a small tool that helps you to calculate your percentage, discount, reverse price with less efforts. Percentage Calculator - Simple Percent Calc is completely free and be updated based on users feedback. Use cases: Do you struggle when it comes to working out percentages, such as percentage changes, loan interest and what to tip your server? The solution is the Percentage Calculator - Simple Percent Calc. We have all the following percentage calcu