Question is
If the number of kidney patients in south america decreases by 25%, then what is the percentage decrease in the number of kidney patients in the world?



To determine the percentage decrease in the number of kidney patients worldwide when there is a 25% decrease in South America, we need some key information:

1. The proportion of kidney patients in South America compared to the total number of kidney patients in the world.
2. The size of the kidney patient population in South America and the world.

If we assume that \( x \) is the percentage of kidney patients from South America relative to the world population, then the formula for the percentage decrease worldwide is:

\[
\text{Global Decrease} = 0.25 \times x \%
\]

This equation calculates how much the global percentage of kidney patients will decrease based on the percentage of South America's kidney patient population.

To proceed further, I would need the proportion of kidney patients from South America relative to the world. Otherwise, the decrease can only be expressed as \( 25\% \times x \), where \( x \) is the percentage of global kidney patients in South America.

Would you like to provide additional details, or should I expand on this assumption-based explanation?

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### Related Questions:
1. What is the current proportion of kidney patients in South America relative to the world?
2. How does the global trend in kidney disease compare with that in South America?
3. Are there any initiatives targeting kidney disease reductions in other regions?
4. How has kidney disease prevalence shifted in South America in the last decade?
5. What other factors influence kidney disease statistics in South America?

**Tip:** When analyzing percentage changes, always note the relative size of the group affected to understand the broader impact.

Explore how to calculate the percentage decrease in the number of kidney patients worldwide when there is a 25% decrease in South America. Understand the impact on global kidney patient statistics using the percentage decrease formula.

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