-95.16% is the change from 186 to 9
Calculation steps:
[( 9 - 186 ) ÷ 186] x 100 = -95.16%
Formula
Percentage change = [(9 - 186) / 186] x 100
Subtract the new number by the original number
9 - 186 = -177
-177 ÷ 186 = -0.9516129032258065
-0.9516129032258065 x 100 = -95.16%