Simple percentages of amounts
Find simple (50%, 25%, 10%, 5%, 1%) percentages of amounts.
Percentage of amounts
Find percentages of amounts.
Increase a quantity by a given percentage.
Decrease a quantity by a given percentage.
Percentage increase and decrease
Increase and decrease a quantity by a given percentage.
Reverse percentage increase
Find a quantity before increase.
Reverse percentage decrease
Find a quantity before decrease.
Reverse percentage change
Find a quantity before an increase/decrease.
Mixed percentage change
A combination of percentage increase/decrease and reverse percentage problems.
Repeated percentage increase problems.
Reverse compound interest
Reverse repeated percentage increase problems.