From 64 to 21 what's the percentage

here is the

mark brainliest pl

answer: -0.5 would be the most likley outcome

step-by-step explanation:

127

whether it's diameter, or radius, i believe if i remember correctly from school, every amount has to always add up to 180. so if you take 53, and starting adding, long story short, taking 127 and adding it to 53, gives you 180.