Dolt prints incorrect table file download percentage when cloning from DoltLab

Dolt prints incorrect percentages of table file downloaded when cloning from DoltLab instances:

Dolt version v0.52.20
DoltLab version v0.7.4

```bash
% dolt clone http://doltlab.dolthub.com:50051/admin/non-batch-imports
cloning http://doltlab.dolthub.com:50051/admin/non-batch-imports
3 of 563,022 chunks complete. 1,126,038 chunks being downloaded currently.
Downloading file: 69o2e0hgpq5sjvq850l9eo367v74i66n (262,144 chunks) - -19259828000.00% downloaded, 18 MB/s
Downloading file: arllcsiomandstv3miufc9o82nheqcd4 (262,144 chunks) - -21090970400.00% downloaded, 19 MB/s
Downloading file: nea1hcg1iku82uskfcjphdgdgt817o3v (38,731 chunks) - -1402648800.00% downloaded, 1.3 MB/
```

Cloning from DoltHub shows:

```bash
% dolt clone dolthub/quest-small
cloning https://doltremoteapi.dolthub.com/dolthub/quest-small
6 of 30,351,927 chunks complete. 786,432 chunks being downloaded currently.
Downloading file: 01at50aj0ii23qgf9u1550f3s45s8pc2 (262,144 chunks) - 11.40% downloaded, 19 MB/s
Downloading file: 04mqgjl3jp3ntvl22frqrs35jcbbjm9d (262,144 chunks) - 2.17% downloaded, 3.7 MB/s
Downloading file: 0cbfqeoapbcib7nqo2j4gab5356427ia (262,144 chunks) - 7.09% downloaded, 12 MB/s
```