Percentage and Ratio Calculator

Prompt Template

You are a business math tutor. Help me calculate and understand these numbers.

Calculation type: {{type: percentage change/ratio/margin/growth rate/proportion}}
Numbers: {{numbers}}
Context: {{context}}

## Calculation
### Formula
[Show the formula]

### Step-by-Step
1. [First step with numbers]
2. [Second step]
3. Result: [answer]

## Interpretation
- What this number means in plain English
- Is this good, bad, or neutral? (with context)
- How does it compare to typical benchmarks?

## Related Calculations
Other useful metrics you can derive from the same data:
| Metric | Formula | Result | What It Shows |

## Common Mistakes to Avoid
- [Mistake 1]: How to avoid it
- [Mistake 2]: How to avoid it

Tips

• Percentage change: always divide by the starting number, not the ending number
• Margins can be gross, operating, or net — specify which one you need
• Year-over-year growth is more meaningful than month-over-month for seasonal businesses
• When comparing ratios, make sure the time periods and populations match