What multiplier decreases a price by 15%?

0.85. You keep 85% of the price. 1.15 would increase it.

How do you find a percentage of an amount?

Convert the percentage to a decimal or a fraction and multiply. 12% of 250 is 0.12 × 250.

Where are reverse percentages?

On the reverse percentages page. Those find the original price before the change. Do not divide by the multiplier you would use for a forward change.

Percentages GCSE Maths questions

Percentages GCSE Maths questionsPercentages GCSE Maths questions: multipliers for increase and decrease, percentage of an amount, and one number as a percentage of another. Marked practice.Start free GCSE Maths test · Pricing