± Increase & Decrease

Apply percentage increases, decreases, successive changes, and compound adjustments.

Increase any number by a percentage. Example: increase 500 by 18% = 590.

Decrease any number by a percentage. Example: decrease 500 by 20% = 400.

Apply two successive percentage increases. Example: 100 increased by 10% then 15%.

Apply up to three successive discounts. Example: 1000 with 20%, 10%, and 5% off.

Calculate compound percentage growth over multiple periods.

Calculate compound percentage decline over multiple periods.