Can someone please help me pleaseee n I’ll mark u as the “brainestly”if that’s how u spell it anyways please help n also show work n explain it to me. Thanks

The percentage of the sale is 32% off.
I used guess and check method to prove my answer.
1.25 x 32%
1.25 x .32=40
1.25-.85=40
So, I know I am correct