Question 1

How do I calculate percent change?

Accepted Answer

Percent change = (New - Old) / Old × 100. From 50 to 75: (75-50)/50 × 100 = 50% increase.

Question 2

What is the difference between percent change and percentage points?

Accepted Answer

Interest from 5% to 7% is 2 percentage points increase but 40% percent change ((7-5)/5×100).

Question 3

How accurate are these calculations?

Accepted Answer

Our calculator uses double-precision floating-point arithmetic, accurate to about 15-16 significant digits for most calculations.

Question 4

Can I use the result in further calculations?

Accepted Answer

Yes, results are calculated to full precision. You can copy the exact value or use the rounded display depending on your needs.

Percent Change Calculator - Free Online Tool

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