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Based on the calculations, the percent increase for this toxin is equal to 300%.

What is a percentage?

A percentage can be defined as any number that is expressed as a fraction of hundred (100). This ultimately implies that, a percentage indicates the hundredth parts of any given number.

The types of percentage.

In Mathematics, there are two main types of percentage and these include the following:

  • Percentage decrease
  • Percentage increase

Mathematically, percentage increase can be calculated by using this formula:

Percentage increase = [Final value - Initial value]/Initial value × 100

Substituting the given parameters into the formula, we have;

Percentage increase = [48 - 12]/12 × 100

Percentage increase = [36]/12 × 100

Percentage increase = 3 × 100

Percentage increase = 300%.

Read more on percentage increase here: https://brainly.com/question/11360390

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