fix gain overviewline for %loss %gain
fix gain overviewline for %loss %gain

KarlaRenschler/gfw,KarlaRenschler/gfw,cciciarelli8/gfw,cciciarelli8/gfw,apercas/gfw,Vizzuality/gfw,codeminery/gfw,KarlaRenschler/gfw,codeminery/gfw,codeminery/gfw,apercas/gfw,codeminery/gfw,apercas/gfw,apercas/gfw,Vizzuality/gfw,KarlaRenschler/gfw