# Percentage Change

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## Percentage Change – A guide

### Intro

In the vast expanses of statistics, economics, finance, and mathematics, the term “percentage change” often presents itself. It quantifies the difference between two numbers as a proportion of the original number. But when and where did the concept originate, and why is knowing percentage change crucial in our everyday lives? Let’s explore.

Quick Summary

• The concept of percentage change is integral in various fields.
• It can qualitatively assess the difference between two numbers.
• This concept has historical roots, and its import is quite significant in our present time.

### History of measuring Percentage Change

The concept of measuring percentage change isn’t novel; it traces its roots back to ancient mathematical calculations. Historically, it has been used to assess the economic progression, population growth, and financial deviations. Though there isn’t a particular date linked to its inception, percentage change has been utilized as a quantitative tool to help interpret data from over the years.

Knowing percentage change is paramount in today’s world; it is necessary in daily routines as intrinsic as calculating the tip on a restaurant bill to tasks as complex as analyzing financial trends for big businesses. It’s a useful tool for tracking progress, forecasting future outcomes, and analyzing fluctuations over time in the same.

### Common reasons to calculate the percentage change between two numbers

The uses of percentage change are myriad and diversely applicable. Here are some prominent reasons to calculate the percentage change between two numbers:

• Tracking stock market fluctuations: The rise or fall in stock prices can be most accurately represented as percentage change.
• Estimating Sales growth or decline: Businesses ascertain their progress by computing the percentage change in their sales numbers.
• Understanding shifts in population metrics: The percentage change effectively represents demographic variations over time.
• Calculating Rate of interest: The banking sector utilizes percentage change to decipher rate of interest on loans or savings.

### Do you know?

While a simple numerical concept, percentage change packs fascinating tidbits. For instance, the highest recorded percentage inflation, a form of percentage change, occurred in Zimbabwe with an inflation rate reaching an unimaginable 89.7 sextillion percent! Conversely, in terms of percentage change, the value of Bitcoin saw a drastic fall from around \$20,000 in December 2017 to \$3,300 in December 2018, marking one of the most significant percentage drops.

Percentage change is a remarkably versatile and useful concept, manifesting itself in a multitude of areas from personal to professional life. It is a powerful quantitative tool that aids comparisons, depicts changes and provides vital clues about trends and patterns in data, making it indispensable for data interpretation and decision-making.

NEVER forget The percentage change can be your ultimate statistical tool to compare two numbers. Breathe in the essence, grasp the concept, and leverage it to calculate growth, forecast trends, or recognize patterns in your personal and professional life.

Remember the format and guidelines mentioned above, team it with your understanding, and use it to your advantage. Happy calculating!

If you need further information or want to read more about the topic, please proceed with the prompt.

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