Press your lips together to stop the air, then release. No vocal cord vibration.

Americans pronounce performed as per-FORMD (/pərˈfɔrmd/). Stress falls on the second syllable — keep everything else short and quick. You'll hear it in sentences like "The pilot performed a perfect loop in the plane" or "The skater performed a triple axel jump perfectly" — more examples below.
Record yourself saying "performed" and play it back. The mic stays on your device — nothing's uploaded.
2 syllables, 6 sounds. Tap a syllable to jump to its row, then explore each sound's mouth shape and how it's made.
Lift your bottom lip to touch the very bottom of your top front teeth. Blow air through this contact point without voicing.

Start with the 'aw' jaw drop and rounded lips. Pull the tongue back and up while keeping the lips rounded for the R.
Press your lips together. Air flows through your nose. Vocal cords vibrate.

Touch the tip of your tongue to the roof of your mouth just behind your teeth. Add vocal cord vibration as you release.

Click any sentence to see the full breakdown — every link, every reduction, every flap-T.
The textbook way isn't wrong — it's just not how anyone actually says it.
In "performed", the "d" is not released — the articulators get into position but hold without the burst of air. Air stops but there's no release burst — the articulators hold position.
Stress falls on the second syllable, not the others. Stretch FORMD — keep everything else short and quick.
Americans use a relaxed retroflex R — the tongue curls back rather than rolling. The R is one continuous sound with the vowel before it, not two separate sounds.