Talk:Focus 2.0/@comment-220.237.120.41-20180116060044

"Greater Lenses convert 1.75% of excess Affinity into Focus points, 40% more than a regular Focus Lens."

then

"Eidolon Lenses convert 2.25% of excess Affinity into Focus points, 80% more than a regular Focus lens and ~29% more than a Greater Focus Lens."

I'm not great at math but can someone explain to me how 40+29 =80?