What is X% of Y?
Useful for discounts, commissions, taxes and business pricing.
X is what percentage of Y?
Find the percentage one amount represents of another.
Percentage increase
Compare an old value with a higher new value.
Percentage decrease
Compare an old value with a lower new value.
Find the original value
Work backwards from a value after a percentage increase or decrease.
Common Nigerian examples
Discount15% off ₦80,000 = ₦12,000 discount.
Salary increase10% increase on ₦200,000 = ₦220,000.
School fees25% of ₦160,000 = ₦40,000.
Percentage Calculator FAQs
How do I calculate a percentage of an amount?
Convert the percentage to a decimal and multiply it by the amount. For example, 15% of ₦80,000 is 0.15 × ₦80,000 = ₦12,000.
How do I calculate percentage increase?
Subtract the original value from the new value, divide the result by the original value, then multiply by 100.
Can I use this for Nigerian Naira amounts?
Yes. The calculator accepts ordinary numbers, so you can use it for naira prices, salaries, school fees, discounts and other amounts.