Percent change from 18 to 12
18 → 12≈ −33.33%
Going from 18 to 12 is a decrease of ≈ 33.33%.
Try other numbers
Change from 18 to 12: -33.3333%
Step by step
- 1Find the difference: 12 − 18 = −6.
- 2Divide by the starting value: −6 ÷ 18 ≈ −0.33.
- 3Multiply by 100: ≈ −0.33 × 100 ≈ −33.33%.
Other ways to get there
- Why the order matters
- Percent change always divides by the starting value. Going back from 12 to 18 is +50%, not ≈ −33.33%.
- Percent difference
- If neither value is the "start", use the percent difference: |12 − 18| ÷ average (15) × 100 = 40%.
Changes from 18
- 18 → 9−50%
- 18 → 13.5−25%
- 18 → 16.2−10%
- 18 → 19.8+10%
- 18 → 22.5+25%
- 18 → 27+50%
- 18 → 36+100%
Frequently asked questions
What is the percentage decrease from 18 to 12?
≈ −33.33%. The difference −6 divided by 18, times 100.
What is the percent change from 12 to 18?
+50%, because this time the change is divided by 12.
What is the percent difference between 18 and 12?
40%. The percent difference compares the gap with the average of both values.