-80.13% is the change from 911 to 181
Calculation steps:
[( 181 - 911 ) ÷ 911] x 100 = -80.13%
Formula
Percentage change = [(181 - 911) / 911] x 100
Subtract the new number by the original number
181 - 911 = -730
-730 ÷ 911 = -0.8013172338090011
-0.8013172338090011 x 100 = -80.13%