-81.56% is the change from 911 to 168
Calculation steps:
[( 168 - 911 ) ÷ 911] x 100 = -81.56%
Formula
Percentage change = [(168 - 911) / 911] x 100
Subtract the new number by the original number
168 - 911 = -743
-743 ÷ 911 = -0.8155872667398463
-0.8155872667398463 x 100 = -81.56%