-93.79% is the change from 145 to 9
Calculation steps:
[( 9 - 145 ) ÷ 145] x 100 = -93.79%
Formula
Percentage change = [(9 - 145) / 145] x 100
Subtract the new number by the original number
9 - 145 = -136
-136 ÷ 145 = -0.9379310344827586
-0.9379310344827586 x 100 = -93.79%