Khelostar

Win is a utility app that includes a percentage calculator covering four distinct problem types, so no matter how a percentage question is phrased, Win has a mode built for it.
Mode 1 finds X% of Y: enter a percentage and a base value, and Win returns the result instantly, perfect for calculating tips, discounts, or a share of any total.

Mode 2 answers "X is what percent of Y?": enter two values and Win tells you the percentage relationship between them, useful for grades, comparisons, and proportions.

Mode 3 applies a percentage increase or decrease to any value: enter the original and the percent change, and Win calculates the new value after the increase or reduction is applied.

Mode 4 is the reverse lookup: if you know a final value and the percentage applied, Win works backward to find what the original number was, and all four modes work offline with no account required.