ΔE 17.7, loose: different enough that you should pick on purpose. Benzimidazolone Burnt Orange is noticeably darker than Squig Orange.
Can I use Benzimidazolone Burnt Orange instead of Squig Orange?
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 18). Benzimidazolone Burnt Orange is noticeably darker than Squig Orange.
Can I use Squig Orange instead of Benzimidazolone Burnt Orange?
The same difference applies the other way round: Squig Orange is noticeably lighter.
ΔE is the colour difference between our two swatch estimates: under about 6 is close, over about 15 is loose. Real paints also differ in finish, coverage and how they thin, so test before you commit.