Percent of Change Practice — Increase & Decrease (Free)
Practice percent of increase and decrease with this free tool. It gives you an old and a new value, checks your percent answer instantly, and shows how to find the change and convert it to a percent.
How the practice works
- Pick a difficulty.
- Find the percent of change and press Check.
- See the feedback and step-by-step solution, then press Next.
The formula
Percent of change = (new − old) / old × 100%. A positive result is an increase; a negative result is a decrease. The solution panel shows the change, the division, and the conversion to a percent.
Original price was: $109.99.$54.99Current price is: $54.99.
Frequently asked questions
How do you find percent of change?
Subtract the old value from the new, divide by the old value, and multiply by 100.
Is it an increase or a decrease?
A positive result is an increase; a negative result is a decrease. The tool checks the direction too.
Original price was: $109.99.$54.99Current price is: $54.99.
Is it free?
Yes — unlimited problems, no sign-up, with progress saved in your browser.
Original price was: $109.99.$54.99Current price is: $54.99.
Read the full lesson: learn the method step by step.
Original price was: $27.99.$17.99Current price is: $17.99.
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