Converting an Increase / Decrease to a Percentage

Q2 Use the table to calculate the percentage decreases : Actual Decrease Percentage Decrease Decrease from £60 to £54 £6 6 ÷ 60 x 100 = 10%. Decrease from £120 to £90 Decrease from £30 to £24 Decrease from £50 to £45 Decrease from 80kg to 64kg Decrease from 250m to 220m Q3 A painting increases in value from £300 to £360. ................
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