17% says an online fold equity calculator. keep in mind trhat you rarely have 10% EQ exactly and that you wont bet 40% of pot all that often.

this is how you can calculate it yourself:

(200+75)x + (200+75+75)0.1*(1-x) - 75 = 0

solve for x

x = 1.66 or about 17%

Thanks ��