How to Calculate Percentage Increase / Decrease

Calculate the percentage increase or decrease between two values. Process: provide an original value and a new value, compute the difference, divide by the original value, and multiply by 100 to get the percentage. Useful for finance, discounts, analytics and reporting.

What: Compute percentage change between two numbers and interpret whether it is an increase or a decrease. Usage: enter the original and new values then click calculate. Process: Δ = new − original; percent = (Δ / original) × 100. Scenarios: pricing changes, revenue growth, discounts and KPI reporting.