-90.67% is the change from 911 to 85
Calculation steps:
[( 85 - 911 ) ÷ 911] x 100 = -90.67%
Formula
Percentage change = [(85 - 911) / 911] x 100
Subtract the new number by the original number
85 - 911 = -826
-826 ÷ 911 = -0.9066959385290889
-0.9066959385290889 x 100 = -90.67%