Invalid `percentOfEpisodes` number

Is there an existing issue for this?

[X] I have searched the existing open and closed issues

Current Behavior

Currently the statistics.percentOfEpisodes number appears invalid.

2 out of 4 seasons are 100%, but the series' percentOfEpisodes shows 85% for some reason.

[
  {
    "title": "Couples Therapy (2019)",
    "alternateTitles": [
      {
        "title": "Couples Therapy",
        "seasonNumber": -1
      }
    ],
    "sortTitle": "couples therapy 2019",
    "status": "continuing",
    "ended": false,
    "overview": "Couples Therapy unlocks a hidden world: other people's relationships. Far from reality-show caricatures, this is true documentary filmmaking that brings viewers into the authentic and visceral experience of weekly therapy with four couples. World-class therapist Dr. Orna Guralnik deftly guides the couples through the minefield of honest confrontation with each other and with themselves, revealing the real-life struggles - and extraordinary breakthroughs - typically hidden behind closed doors.",
    "previousAiring": "2023-05-20T00:00:00Z",
    "network": "Showtime",
    "airTime": "20:00",
    "images": [
      {
        "coverType": "banner",
        "url": "/MediaCover/327/banner.jpg?lastWrite=638602185113834913",
        "remoteUrl": "https://artworks.thetvdb.com/banners/graphical/5d4bafe47565f.jpg"
      },
      {
        "coverType": "poster",
        "url": "/MediaCover/327/poster.jpg?lastWrite=638602185114224918",
        "remoteUrl": "https://artworks.thetvdb.com/banners/v4/series/367813/posters/60846c6493782.jpg"
      },
      {
        "coverType": "fanart",
        "url": "/MediaCover/327/fanart.jpg?lastWrite=638602185114634923",
        "remoteUrl": "https://artworks.thetvdb.com/banners/fanart/original/5d4badf3c6594.jpg"
      },
      {
        "coverType": "clearlogo",
        "url": "/MediaCover/327/clearlogo.png?lastWrite=638602185114844925",
        "remoteUrl": "https://artworks.thetvdb.com/banners/v4/series/367813/clearlogo/626d5ff051338.png"
      }
    ],
    "originalLanguage": {
      "id": 1,
      "name": "English"
    },
    "seasons": [
      {
        "seasonNumber": 0,
        "monitored": false,
        "statistics": {
          "episodeFileCount": 0,
          "episodeCount": 0,
          "totalEpisodeCount": 1,
          "sizeOnDisk": 0,
          "releaseGroups": [],
          "percentOfEpisodes": 0
        }
      },
      {
        "seasonNumber": 1,
        "monitored": true,
        "statistics": {
          "previousAiring": "2019-11-02T00:00:00Z",
          "episodeFileCount": 9,
          "episodeCount": 9,
          "totalEpisodeCount": 9,
          "sizeOnDisk": 18101269124,
          "releaseGroups": [
            "NTb"
          ],
          "percentOfEpisodes": 100
        }
      },
      {
        "seasonNumber": 2,
        "monitored": false,
        "statistics": {
          "episodeFileCount": 0,
          "episodeCount": 0,
          "totalEpisodeCount": 9,
          "sizeOnDisk": 0,
          "releaseGroups": [],
          "percentOfEpisodes": 0
        }
      },
      {
        "seasonNumber": 3,
        "monitored": false,
        "statistics": {
          "previousAiring": "2023-05-20T00:00:00Z",
          "episodeFileCount": 0,
          "episodeCount": 3,
          "totalEpisodeCount": 18,
          "sizeOnDisk": 0,
          "releaseGroups": [],
          "percentOfEpisodes": 0
        }
      },
      {
        "seasonNumber": 4,
        "monitored": false,
        "statistics": {
          "episodeFileCount": 9,
          "episodeCount": 9,
          "totalEpisodeCount": 9,
          "sizeOnDisk": 18240588717,
          "releaseGroups": [
            "EDITH"
          ],
          "percentOfEpisodes": 100
        }
      }
    ],
    "year": 2019,
    "path": "/volume2/Media/TV Series/Couples Therapy (2019)",
    "qualityProfileId": 1,
    "seasonFolder": true,
    "monitored": true,
    "monitorNewItems": "none",
    "useSceneNumbering": false,
    "runtime": 27,
    "tvdbId": 367813,
    "tvRageId": 0,
    "tvMazeId": 43299,
    "tmdbId": 91820,
    "firstAired": "2019-09-06T00:00:00Z",
    "lastAired": "2024-06-02T00:00:00Z",
    "seriesType": "standard",
    "cleanTitle": "couplestherapy2019",
    "imdbId": "tt10665386",
    "titleSlug": "couples-therapy-2019",
    "rootFolderPath": "/volume2/Media/TV Series/",
    "certification": "TV-MA",
    "genres": [
      "Documentary",
      "Reality"
    ],
    "tags": [],
    "added": "2024-06-17T03:30:49Z",
    "ratings": {
      "votes": 1501,
      "value": 8.3
    },
    "statistics": {
      "seasonCount": 4,
      "episodeFileCount": 18,
      "episodeCount": 21,
      "totalEpisodeCount": 46,
      "sizeOnDisk": 36341857841,
      "releaseGroups": [
        "NTb",
        "EDITH"
      ],
      "percentOfEpisodes": 85.71428571428571428571428571
    },
    "languageProfileId": 1,
    "id": 327
  }
]

Expected Behavior

Show 100% if all monitored seasons are 100%.

Steps To Reproduce

No response

Environment

- OS: 4.0.9.2244-ls255 by linuxserver.io
- Sonarr: 4.0.9.2244
- Docker Install: Yes
- Using Reverse Proxy: No
- Browser: Chrome
- Database: Sqlite 3.45.3

What branch are you running?

Main

Trace Logs?

Can provide if needed.

Anything else?