Percentage is used at run time in 231 crates (of which 6 optionally). It is a direct run-time dependency in 6 crates. It's used at build time in 1 crate (0 directly). It's used only as a dev dependency in 125 crates.

Depender (with downloads and own rev deps) Percentage version
32K 22 solana-program-runtime ^0.1.0
27K 21 solana-streamer ^0.1.0
21K 53 solana-runtime ^0.1.0
650 10 miraland-streamer ^0.1.0
220 10 waffles-solana-streamer ^0.1.0
160 1 safecoin-streamer ^0.1.0