I have this inside one of the sorting options
```
...
# getting-startedo
oday
07/02/2018, 8:17 AMI have this inside one of the sorting options
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searchResults.filterNotTo(mutableListOf()) { it.negotiated_price == null }
searchResults.sortByDescending {
100 - ((it.negotiated_price!!.toInt() / it.price) * 100)
}