Percentages

 


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Relevant Material: "Applications of percentage calculations include finance and business (interest rates, discounts, profits, losses, sales tax), statistics (survey results, market share), and everyday life (tipping, comparing quantities, inflation). Percentages are used to understand financial transactions, analyze data, and compare values easily because they are always out of a hundred. 

Everyday life and personal finance
  • Shopping: Calculating discounts to find savings on items, or determining sales tax to find the total price.
  • Dining: Calculating the tip to leave at a restaurant.
  • Interest rates: Understanding the cost of loans or credit cards, or the return on investments.
  • Comparing quantities: Easily comparing different values, like the amount of snowfall received compared to the total expected amount. 
Business and economics
  • Profit and loss: Calculating the percentage of profit or loss on a product.
  • Market analysis: Analyzing market share and other trends.
  • Inflation: Measuring the rate at which prices for goods and services are increasing over time. 
Statistics and healthcare
  • Survey results: Interpreting and summarizing data from surveys to understand public opinion or trends.
  • Public health: Assessing population health and planning healthcare services.
  • Herd immunity: Determining the percentage of a population that needs to be vaccinated to achieve herd immunity for a disease. .." (Google) 
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