Percentages: SAT Practice Questions

84 official Percentages questions (Problem Solving and Data Analysis) from the SAT Suite Question Bank. Pick any question from the list, or start with Question 1. Every question shows the answer and a full explanation, with step-by-step Desmos solutions available for most questions. It is free, and no account is needed.

Start with Question 1

What does Percentages test on the SAT?

Percentage questions involve part-whole relationships, percent change, repeated growth or decay, and reverse percentages. Translating the wording into a multiplier prevents most errors.

Common question types

Find a percent of a quantity
Calculate percent increase or decrease
Recover an original value after a percentage change

Common traps

Using the new value as the percent-change denominator
Adding repeated percentage changes instead of multiplying factors
Confusing percentage points with percent change

Difficulty distribution

Start with the easier questions, then work toward the highest score bands.

Easy: 28
Medium: 22
Hard: 34
Extreme: 0

Start here

FoundationQuestion 4Easy SAT question IntermediateQuestion 32Medium SAT question ChallengeQuestion 73Hard SAT question

How do I improve at Percentages?

1Identify the original whole before calculating.
2Convert an increase or decrease into a multiplier such as 1.12 or 0.88.
3Estimate the direction and size of the result as a reasonableness check.

Desmos method

Use direct numeric expressions for percent calculations or define a multiplier model. For repeated change, graph or evaluate y = initial(1 + r)^x.

All 84 official questions

In the same order as the list on the left. Each one opens in practice mode.