What is X% of Y? Multiply Y by X/100. Example: 15% of 200 = 200 × 0.15 = 30.
Percentage increase: ((New − Old) ÷ Old) × 100. Example: 50 to 75 = ((75−50) ÷ 50) × 100 = 50% increase.
X is what % of Y? (X ÷ Y) × 100. Example: 30 is what % of 200? (30 ÷ 200) × 100 = 15%.
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This calculator uses current published rates from Australian government and regulator sources. The result is an estimate for general guidance — it does not constitute personal financial advice. For decisions about your circumstances, consult a registered financial adviser, tax agent, or other professional. See editorial standards for how DecisionLab sources and updates its calculator data.