-68.39% is the change from 911 to 288
Calculation steps:
[( 288 - 911 ) ÷ 911] x 100 = -68.39%
Formula
Percentage change = [(288 - 911) / 911] x 100
Subtract the new number by the original number
288 - 911 = -623
-623 ÷ 911 = -0.6838638858397366
-0.6838638858397366 x 100 = -68.39%