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GB-14-02-001 · Percentage change

A bicycle costs £2820. Its price increases by 30%. Work out the new price.

Percentage Increase / Decrease Booklet p. 51
Method
Use Original Amount × ((100 ± %) / 100) = New Amount (add % for increase, subtract % for decrease)
Worked Example (GB-14-02-001)
Booklet p. 51–52: Original Amount×(100±%100)Time=New Amount\mathbf{\text{Original Amount} \times \left(\frac{100 \pm \%}{100}\right)^{\text{Time}} = \text{New Amount}}
1) Use multiplier 1.30.
2) £3666.00
£3666.00