Percent of Change

Front

What is Percent of Change?

Back

Percent of Change is a way to express how much a quantity has increased or decreased in relation to its original amount, calculated as (New Value - Original Value) / Original Value x 100%.

Front

How do you calculate Percent Increase?

Back

Percent Increase = (New Value - Original Value) / Original Value x 100%.

Front

How do you calculate Percent Decrease?

Back

Percent Decrease = (Original Value - New Value) / Original Value x 100%.

Front

If a price increases from $20 to $30, what is the percent increase?

Back

Percent Increase = (30 - 20) / 20 x 100% = 50%.

Front

If a price decreases from $100 to $75, what is the percent decrease?

Back

Percent Decrease = (100 - 75) / 100 x 100% = 25%.

Front

What does it mean if the percent of change is positive?

Back

A positive percent of change indicates an increase in value.

Front

What does it mean if the percent of change is negative?

Back

A negative percent of change indicates a decrease in value.

Front

Calculate the percent decrease from $65.50 to $52.40.

Back

Percent Decrease = (65.50 - 52.40) / 65.50 x 100% = 20%.

Front

Calculate the percent decrease from 285 shirts to 114 shirts sold.

Back

Percent Decrease = (285 - 114) / 285 x 100% = 60%.

Front

If a sweater's price changes from $50 to $40, what is the percent decrease?

Back

Percent Decrease = (50 - 40) / 50 x 100% = 20%.