PlanetsCentral

https://www.vgaplanets.ca/vga-planets-calculator/#growth_table change the dropdown from "TimHost" to "PHost" and that should match the behavior you see in the game.

You are right, TimHost and EchoView tells me my planet with 11 degrees can support 223 clans, but Phost says 113, that's why these silly millenials keep eating my supplies!