How percentage change works
Change = ((new − old) / old) × 100. Positive is an increase; zero old value is undefined.
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Percentage Increase / Decrease
Find the percent difference between old and new values.
Last updated: 2026-08-12
Sources
- CSGB / Asgari Ücret Tespit Komisyonu (2026 brüt/net)
- GİB gelir vergisi tarifesi 2026
- EPDK mesken elektrik kademeli tarife (yaklaşık)
- BOTAŞ / dağıtım şirketleri doğalgaz (yaklaşık)
- Hazine ve Maliye — kıdem tazminatı tavanı 1. dönem 2026
How is it calculated?
Change = ((new − old) / old) × 100.
change% = ((new - old) / old) × 100
Example
50,000 → 60,000 = 20% increase.
Guide
Percentage change between an old and a new value for prices, salaries, or metrics. Informational helper only.
2026 notes and common mistakes
Do not confuse percentage points with percent change. A +10% then −10% does not return to the start.
Tips
- Keep units identical for old and new.
- For information only—double-check critical finance uses.
Sources: Basic mathematics · Official statistics methods
FAQ
What does a negative result mean? +
A negative value means a decrease.