$96.80 because $83.60 + 15.35 = 98.95
98.95 - 2.25 = $96.80
The stock started off at $83.60 and increased by $15.35, meaning you add that to the original:
$83.60 + $15.35 = $98.95
Then it changed by $-2.15, which means decreased by $2.15:
$98.95 - $2.15 = $96.8
Therefore, the final stock price is $96.8.
