Percentage is used at run time in 418 crates (of which 8 optionally). It is a direct run-time dependency in 12 crates. It's used at build time in 1 crate (). It's used only as a dev dependency in 186 crates.

Depender (with downloads and own rev deps) Percentage version
70K 30 solana-program-runtime ^0.1.0
65K 28 solana-streamer ^0.1.0
28K 59 solana-runtime ^0.1.0
15K 7 solana-svm ^0.1.0
1.8K 1 legion_prof_viewer ^0.1.0
1.0K 21 miraland-program-runtime ^0.1.0
600 21 miraland-runtime ^0.1.0
550 10 miraland-svm ^0.1.0
550 13 miraland-accounts-db ^0.1.0
500 15 miraland-streamer ^0.1.0
10 waffles-solana-streamer ^0.1.0
1 safecoin-streamer ^0.1.0