

Here is how the Percentage Calculator calculated the percentages and the percentage formulas that it used.
What Is X Percent Of Y?
This is the most common percentage calculation and the formula we use is (X*Y)/100. The answer is rounded up to 4 decimals.
X Is What Percent Of Y?
Calculated as follows: (X*100)/Y and rounded up to 2 decimals. This is the one people have the most trouble doing on their own without a percent calculator.
What Is The Percent Change From X To Y?
Calculated as follows: ((YX)*100)/X and rounded up to 2 decimals. If X is less than Y, it is increasing with a positive percent answer. If X is more than Y, it is decreasing with a negative percent answer.
What Is X Minus Y Percent?
Calculated as follows: X((X*Y)/100) and rounded up to 2 decimals. This option is often used when something is for sale and you want to know what the sale price is. X is regular price and Y is how many percent off the regular price.
What Is X Plus Y Percent?
Calculated as follows: X+((X*Y)/100) and rounded up to 2 decimals. We have seen this used by businesses who want to mark up their products at a certain percent. X is cost of product, Y is markup percent, and the answer is the sticker price for the product. Learn more: Percent Markup Calculator
What is X percent as a decimal?
To convert a percent to decimal, you simply divide it by 100 like this: (X/100)
What is X/Y fraction as a percent?
To convert a X/Y fraction to percent, you first divide X by Y and then multiply the result by 100. We round the answers up to 4 decimals when we do this calculation. See also Percent to Fraction Calculator