-78.81% is the change from 911 to 193
Calculation steps:
[( 193 - 911 ) ÷ 911] x 100 = -78.81%
Formula
Percentage change = [(193 - 911) / 911] x 100
Subtract the new number by the original number
193 - 911 = -718
-718 ÷ 911 = -0.7881448957189902
-0.7881448957189902 x 100 = -78.81%