Worked example
Here is a simple Percentage Change example:
(100 − 80) ÷ 80 × 100 → +25%.Percentage Change Calculator
Calculate the percentage increase or decrease between two values.
Difference20
DirectionZunahme
New value100
Change is measured relative to the original value.
Practical guide
Percentage Change Calculator
Common mistakes to avoid
- The original value is the comparison base.
- A negative result means a decrease.
- Do not use zero as the original value.
Frequently asked questions
What does the Percentage Change calculate?
Calculate the percentage increase or decrease between two values.
Which formula is used?
Percentage change = (new value − old value) ÷ old value × 100
Can I rely on this result?
Use the result as a planning estimate. Check important financial, tax, legal, investment, or health decisions with a qualified professional.