Percentage formulas
- X% of Y = X ÷ 100 × Y
- X is what % of Y = X ÷ Y × 100
- % change = (new − old) ÷ old × 100
- Discounted price = price × (1 − discount ÷ 100)
Example
A ₱1,999 item on 30% sale costs ₱1,399.30 — you save ₱599.70.
Work out percentages, discounts and percentage increase or decrease.
A ₱1,999 item on 30% sale costs ₱1,399.30 — you save ₱599.70.