-88.91% is the change from 911 to 101
Calculation steps:
[( 101 - 911 ) ÷ 911] x 100 = -88.91%
Formula
Percentage change = [(101 - 911) / 911] x 100
Subtract the new number by the original number
101 - 911 = -810
-810 ÷ 911 = -0.889132821075741
-0.889132821075741 x 100 = -88.91%