Percentage Change Calculator
Compute the absolute and percentage change between an initial and final value.
Input Data
Initial Value
Final Value
Results
Absolute Change
20
Percentage Change
20%
At a glance:Absolute = final − initial; % = (final−initial)/initial × 100%. Complements percent-change and percentage-increase.
Formula
%Δ = (final − initial)/initial × 100%.
$$\text{Change}\% = \frac{V_f - V_i}{|V_i|} \times 100\%$$How to Use
- Enter initial and final values.
- The tool returns both changes.
Case Studies
40 → 50
abs +10; +25%.
FAQ
Initial zero?
Percentage change is undefined if initial is 0.
Related Tools
References
Content review: Calculatorism Science Team. Results are for reference only; please refer to the relevant authorities for the official figures.