Gcse maths calculator question?

Question

dont know how to work out percentages can someone help me with this question plzzz

1. a coat coasts $140. in a sale it is reduced to $85. what is the pecentage reduction?

(sorri pound sign doesnt work..lol)

Answer 1

I have my GCSE maths calculator soon.

I'm passing it one year early =)

And yeh, the people above are right =D

Answer 2

like the percentage increase one

percentage decrease = ( amount decreased/initial value ) *100

Answer 3

£140-£85 = £55

£55/£140 = ???

??? x 100 = percentage reduction.

Answer 4

140-85/140 = 39.2%