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Math · Problem Solving & Data · Sunday, November 1, 2026

Percent change = \frac{\text{new} - \text{old}}{\text{old}} \times 100.

In short

On Digital SAT Math questions about problem solving & data, percent change = \frac{\text{new} - \text{old}}{\text{old}} \times 100.

Percent change $= \frac{\text{new} - \text{old}}{\text{old}} \times 100$.