Percent of Change

Front

What is the formula for calculating percent of change?

Back

Percent of Change = (New Value - Old Value) ÷ Old Value

Front

How do you calculate the percent decrease when a value decreases from 25 to 18?

Back

Percent Decrease = (18 - 25) ÷ 25

Front

How do you calculate the percent increase when a value increases from 36 to 84?

Back

Percent Increase = (84 - 36) ÷ 36

Front

What does a negative result in percent change indicate?

Back

A negative result indicates a decrease in value.

Front

What does a positive result in percent change indicate?

Back

A positive result indicates an increase in value.

Front

If a value decreases from 180 to 140, what is the percent of change?

Back

Percent Decrease = (140 - 180) ÷ 180 = -0.2222 or -22.22%.

Front

If a value increases from 28 to 96, what is the percent of change?

Back

Percent Increase = (96 - 28) ÷ 28 = 2.4286 or 242.86%.

Front

What is the significance of the 'Old Value' in percent change calculations?

Back

The 'Old Value' is the reference point from which the change is measured.

Front

How do you express percent change as a percentage?

Back

Multiply the result of the change calculation by 100.

Front

What is the percent change if a value increases from 55 to 90?

Back

Percent Increase = (90 - 55) ÷ 55 = 0.6364 or 63.64%.