-80.24% is the change from 911 to 180
Calculation steps:
[( 180 - 911 ) ÷ 911] x 100 = -80.24%
Formula
Percentage change = [(180 - 911) / 911] x 100
Subtract the new number by the original number
180 - 911 = -731
-731 ÷ 911 = -0.8024149286498353
-0.8024149286498353 x 100 = -80.24%