Percent Increase and Decrease Equation

Front

What is the formula to calculate percent increase?

Back

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

Front

What is the formula to calculate percent decrease?

Back

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

Front

How do you find the new value after a percent increase?

Back

New Value = Original Value × (1 + Percent Increase).

Front

How do you find the new value after a percent decrease?

Back

New Value = Original Value × (1 - Percent Decrease).

Front

If a population of 12,000 increases by 5%, what is the new population?

Back

New Population = 12000 × 1.05 = 12600.

Front

If a gym's membership decreases from 25,950 by 2.56%, what is the new membership?

Back

New Membership = 25950 × 0.9744 = 25200.

Front

What does a 10% increase mean in terms of multiplication?

Back

A 10% increase means multiplying the original value by 1.1.

Front

What does a 4% decrease mean in terms of multiplication?

Back

A 4% decrease means multiplying the original value by 0.96.

Front

How can you express a 1.4% decrease mathematically?

Back

1.4% decrease can be expressed as multiplying by 0.986.

Front

What is the new salary if an employee's salary of $50,000 increases by 4%?

Back

New Salary = 50000 × 1.04 = 52000.