Percentage within an MLA formatted essay or research paper should be?

In text, use numerals and “%.” Spell out the numeral and the word only if they begin the sentence. Where the percentage is less than 1%, add a decimal point and a zero.

Explanation:

rhyming octave and a rhyming sestet

if i'm wrong i'm sorry

- "the die is cast; i have consented to return if we are not destroyed. thus are my hopes blasted by cowardice and indecision; i come back ignorant and disappointed. it requires more philosophy than i possess to bear this injustice with patience. i have lost my hopes of utility and glory; i have lost my friend."