-85.07% is the change from 911 to 136
Calculation steps:
[( 136 - 911 ) ÷ 911] x 100 = -85.07%
Formula
Percentage change = [(136 - 911) / 911] x 100
Subtract the new number by the original number
136 - 911 = -775
-775 ÷ 911 = -0.8507135016465422
-0.8507135016465422 x 100 = -85.07%