# Percentage Calculator and Solver

An online calculator to calculate and solve percent questions presenting detailed solutions.
## Calculator to Calculate e Percent of a NumberThis calculator calculates the percent (P%) of a number A which is equivlent to finding B given the formula P% × A = B.The example below shows how to calculate 2% of 35. Enter and change percentage P% and the value for A then press "Show Solution" to practice on various values. The steps (in blue) of the solution to the questions are shown below. ## Calculator to Calculate a Number Given its PercentageThis calculator calculates a number A given the equation P% × A = B where P% and B are known and which gives P% = B / A.It is similar to answering the question: P% of which number (A) is equal to B? Enter P percentage and number B and press "Calculate A". Steps of solution are shown below. ## Calculator to Calculate the Ratio of two Numbers as a PercentageThis calculator calculates a percentage P in the equation P% × A = B, where A and B are known.B is what percent of A?. Enter B and A and press "Calculate P%". ## Calculator to Calculate the Change as a PercentageThis calculator calculates a change of a positive value of an item as a percentage. What is the percentage P% change from A(non zero initial value) to B(final value)?.Formula: \[ P\% = \frac{B - A}{|A|} \times 100\% \] where A is not equal to zero. Enter A and B and press "Calculate P%". ## More References and LinksPercent Maths Problems.Percent Maths Questions. Math Calculators and Solvers. Power Calculator. |