-93.84% is the change from 146 to 9
Calculation steps:
[( 9 - 146 ) ÷ 146] x 100 = -93.84%
Formula
Percentage change = [(9 - 146) / 146] x 100
Subtract the new number by the original number
9 - 146 = -137
-137 ÷ 146 = -0.9383561643835616
-0.9383561643835616 x 100 = -93.84%