Solve common percentage problems instantly. Calculate discounts, tips, test scores, and percentage changes with ease.
1. Find Percentage Value
What is
of
?
Result:
30
2. Find Percentage Rate
is what percent of
?
Result:
25%
3. Percentage Change
What is the change from
to
?
Result:
+50% (Increase)
"Percent" comes from the Latin per centum, meaning "by the hundred". It is a way of expressing a number as a fraction of 100.
Discounts
A $50 shirt is roughly 20% off. Formula: 50 × 0.20 = $10 discount. New price: $40.
Tips
A nice meal cost $80. You want to tip 15%. Formula: 80 × 0.15 = $12 tip.
100
10.00
10% of 100 is 10
50
10.00
20% of 50 is 10
200
10.00
5% of 200 is 10
Use the percentage calculator with the original value and the percentage increase
Percentage is the rate, while discount is the amount subtracted
Yes, calculate the total bill and then use the tip calculator
Calculate the subtotal and then apply the sales tax percentage
Yes, it uses precise calculations to ensure accurate results
Yes, it supports decimal percentages
Use the percentage calculator with the original value and the percentage decrease