livepeer_orch_thirty_day_reward_claim_ratio metric is broken

[rickstaa]

Describe the bug

It looks like the livepeer_orch_thirty_day_reward_claim_ratio metric is broken.

Reproduction steps

1. Go to https://dashboards.transcode.ninja/public-dashboards/612ce9347bc44e1885e6417b145f4093?orgId=1&refresh=30s.
2. Check the value on the Call Ratio panel.
3. Go to https://explorer.livepeer.org/accounts/0x5bdeedca9c6346b0ce6b17ffa8227a4dace37039/orchestrating
4. See that the call ratio is 30/30.

Expected behaviour

The call ratio given by the variable should be 100%.

Screenshots / Live demo link

No response

System information

• Run method: docker
• OS: ubuntu 22.04
• Exporter version: v2.8.1

Additional context

No response