-94.55% is the change from 165 to 9
Calculation steps:
[( 9 - 165 ) ÷ 165] x 100 = -94.55%
Formula
Percentage change = [(9 - 165) / 165] x 100
Subtract the new number by the original number
9 - 165 = -156
-156 ÷ 165 = -0.9454545454545454
-0.9454545454545454 x 100 = -94.55%