-88.04% is the change from 911 to 109
Calculation steps:
[( 109 - 911 ) ÷ 911] x 100 = -88.04%
Formula
Percentage change = [(109 - 911) / 911] x 100
Subtract the new number by the original number
109 - 911 = -802
-802 ÷ 911 = -0.8803512623490669
-0.8803512623490669 x 100 = -88.04%