Dr. McConnell, a farm veterinarian, just weighed a particular pig and found out it is 6 kilograms. The last time she checked, the pig weighed 4 kilograms. What percent heavier is the pig now?

To find out how much heavier the pig is now, we can calculate the percent increase from its previous weight to its current weight.

1. **Determine the increase in weight:**

   \[
   \text{Increase} = \text{Current Weight} - \text{Previous Weight} = 6 \, \text{kg} - 4 \, \text{kg} = 2 \, \text{kg}
   \]

2. **Calculate the percent increase:**

   \[
   \text{Percent Increase} = \left( \frac{\text{Increase}}{\text{Previous Weight}} \right) \times 100
   \]

   Plugging in the values:

   \[
   \text{Percent Increase} = \left( \frac{2}{4} \right) \times 100 = 0.5 \times 100 = 50\%
   \]

The pig is now **50% heavier** than it was before.

Would you like a deeper explanation, or do you have any questions?

Here are some related questions to consider:
1. How would the percent change be calculated if the weight decreased instead?
2. What is the percent change formula, and in what situations can it be used?
3. If the pig gains another 3 kg, what would be its new percent increase from the original weight?
4. How does percent increase differ from absolute increase?
5. Can the percent increase ever be more than 100%?

**Tip:** Percent change is a useful tool for understanding proportional differences, regardless of the units involved.

Find out how to calculate the percent increase in a pig's weight from 4 kg to 6 kg. This problem explores percentage increase concepts and basic arithmetic, ideal for Grades 5-7 students.

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