Negative Numbers — Definition & Examples

Stephen Curry had a total $+/-$ of $+1015$ in the $2016$ NBA season. This means that while he was on the court, his team, the Golden State Warriors, outscored their opponents by a total of $1015$ points throughout the season. What is the minimum amount of three point shots that the Warriors would have had to have given up for Curry's $+/-$ to be negative?