-90.34% is the change from 911 to 88
Calculation steps:
[( 88 - 911 ) ÷ 911] x 100 = -90.34%
Formula
Percentage change = [(88 - 911) / 911] x 100
Subtract the new number by the original number
88 - 911 = -823
-823 ÷ 911 = -0.9034028540065862
-0.9034028540065862 x 100 = -90.34%