1. What is a Percentage Decrease Calculator (Soup)?

Definition: This calculator determines the percentage decrease between an old value and a new value.

Purpose: It helps quantify reductions in various contexts like prices, quantities, or measurements.

2. How Does the Calculator Work?

The calculator uses the formula:

Where:

• Old — Original value (unitless)
• New — Reduced value (unitless)
• Decrease — Percentage reduction (expressed as %)

Explanation: The difference between old and new is divided by the old value, then multiplied by 100 to get percentage.

3. Importance of Percentage Decrease Calculation

Details: Helps analyze performance changes, price reductions, quantity changes, and other comparative measurements.

4. Using the Calculator

Tips: Enter the original (old) value and the reduced (new) value. Both must be positive numbers with old > new.

5. Frequently Asked Questions (FAQ)

Q1: What if my new value is higher than old?
A: The calculator will show blank as this calculates decreases only (use percentage increase calculator for that case).

Q2: Why is it called "(Soup)"?
A: This version is optimized for culinary applications like recipe reductions, but works for any context.

Q3: Can I use this for financial calculations?
A: Yes, it works for price reductions, budget cuts, or any numeric decrease calculation.

Q4: What's the maximum percentage decrease possible?
A: The theoretical maximum is 100% (when new value reaches zero).

Q5: How precise are the calculations?
A: Results show 2 decimal places for percentage values.