-93.71% is the change from 143 to 9
Calculation steps:
[( 9 - 143 ) ÷ 143] x 100 = -93.71%
Formula
Percentage change = [(9 - 143) / 143] x 100
Subtract the new number by the original number
9 - 143 = -134
-134 ÷ 143 = -0.9370629370629371
-0.9370629370629371 x 100 = -93.71%