Percentage is used at run time in 544 crates (of which 14 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 200 crates.

Depender (with downloads and own rev deps) Percentage version
142K 37 solana-program-runtime ^0.1.0
110K 30 solana-streamer ^0.1.0
37K 61 solana-runtime ^0.1.0
21K 10 solana-svm ^0.1.0
1.2K 1 legion_prof_viewer ^0.1.0
250 21 miraland-program-runtime ^0.1.0
140 21 miraland-runtime ^0.1.0
140 10 miraland-svm ^0.1.0
140 13 miraland-accounts-db ^0.1.0
120 15 miraland-streamer ^0.1.0
1 safecoin-streamer ^0.1.0
10 waffles-solana-streamer ^0.1.0