A jacket that reguraly costs $40 is on sale for $32 what percent of decrease was in the price of the jacket

Use the formula (new price-old price) / old price

32-40=-8

-8/40=-20%

the percent difference is 20%

the negative means it was a markdown

Original price: $40

Sale Price: $32

Total changes: $8

Take the amount increase/decrease and times divide by the original amount and times by 100

8/40=.2 x 100 = 20%

or 10% of 40 is 4

20% of 40=8

so The percent was 20%