Just try divided it 89/1000 = 0.089 TRX for each dice token. YOu should also join on its telegram group to get the latest info about the windrops too.
I think the dividends are dynamic. For example according to their
Monthly reportsThis was how TRX was distributed
DICE DROPS — $TRX earnings below are based on having 10,000 DICE tokens frozen for the month.
June 2020: 890 TRX
July 2020: 1,770 TRX
August 2020: 1,330 TRX
What's the telegram group how can you get on it?
Try this links, I got them from WINk's official website