Heart of the swarm campaign view shows 87% but all rewards are "earned"

When I click my profile then achievements then "swarm campaign" it shows me I've gotten 170/170 achievements, however when I select the "campagin" view, It says I've only completed 87% of the game. Any ideas?

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How many missions are in Heart of the Swarm campaign?

Gameplay. Heart of the Swarm features a single-player campaign with 20 missions (plus seven evolution missions which allow the player to upgrade units), and continues the story from Wings of Liberty.

Do you play as Zerg in Heart of the Swarm?

Heart of the Swarm brings seven additional multiplayer units. Aside from to the single-player Zerg campaign, these soldiers are why seriously competitive StarCraft players are salivating over picking up this expansion.

How can I get Heart of the Swarm for free?

Limited Time Offer: Get Heart of the Swarm for Free

Open the Blizzard Battle.net desktop app.

Click the glowing Gift button located next to your BattleTag on the upper right.

Click Claim. A notification will pop-up when you have new Gifts to claim.

How long is Heart of the Swarm campaign?

Based on 251 User RatingsPlatformPolledMainPC22611h 55m

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Images: Meruyert Gonullu, Monstera, ready made, Kelly L