help explain to me how to find the proper weighting from the example (capture 1). I am trying to figure out weights based on the gross adjustment% ( the lower the grs adj% the higher weight It should receive)

Weighted Percentage Calculations Comparables Summary & Estimated Indicated Value Comp #1: Comp #2: Comp #3: Comp #4: Comp #5: Sale Price 690,000 600,000 690,000 699,950 695,000 Grs Adj % 5.87 8,17 4.93 15.14 5.83 Ind Value 649,500 637,000 686,000 675,950 684,500 Weight 21.33 19.89 21,92 15.52 21.35 ADJUSTED RANGE OF COMPARABLE SALES: $637,000 to $686,000 ADJUSTED VALUE OF PENDING SALE: $684,500 INDICATED VALUE OF THE SUBJECT BY WEIGHTED %: $666,591 MEDIAN ADJUSTED VALUE: $662,725 SUBJECT'S SALES PRICE: $649,950 Weighted Percentage calculations Comparable Summary & Estimated Indicated Value Weight Comp #1: Comp #2: Comp #3: Comp #4: Comp #5: Sale Price $976,000 $1,240,000 $1,107,000 $1,550,000 $1,140,000 Grs Adj% 20.2 18 7.9 23.1 11.6 Ind Value $1,019,897 $1,110,515 $1,104,638 $1,191,575 $1,196,795