Base creature values. Events, world settings, difficulty and loot bonuses can change an encounter.

a war wolf
Creature resistance values; world limits may adjust them. Negative values indicate a weakness.
Transformation
Base chance per roll, not a guaranteed reward. Bonuses, world multipliers and boss participation change the result. Charged items use their own quantities. Container contents also require the container to drop.
ham · 1–2 · 35%
warwolf fur · 1 · 5.23%
wolf paw · 1 · 0.71%