Per cost calculator data, the above grade GLA is $119 per sq ft, the below grade GLA is $50 per sq ft.  $119/ $50 = 42%.  Per cost data, basement GLA represents 42% of the determined above grade GLA. Example: above grade GLA is determined to $50 per sq ft,  $50x.42= $21 per sq for below grade GLA.

Date of Appraisal: 20170518

Adjustment Amount: $0.42%

All sales are final unless the data provider made significant errors or omissions that would impact the credibility of the analysis.