-8.26% is the change from 993 to 911
Calculation steps:
[( 911 - 993 ) ÷ 993] x 100 = -8.26%
Formula
Percentage change = [(911 - 993) / 993] x 100
Subtract the new number by the original number
911 - 993 = -82
-82 ÷ 993 = -0.08257804632426989
-0.08257804632426989 x 100 = -8.26%