Quantity is not the same thing as portion.

For a selected rebase r, initial supply and initial balance are each multiplied by 1 + r / 100. The balance-to-supply ratio stays fixed when the inputs are valid.

The calculator illustrates arithmetic and keeps only the runs you record in this session. Wallet connection reads your address and native balance. Chain id and block are public RPC observations; contract-dependent values stay unpublished until configured. Wallet actions require your confirmation.