-96.15% is the change from 234 to 9
Calculation steps:
[( 9 - 234 ) ÷ 234] x 100 = -96.15%
Formula
Percentage change = [(9 - 234) / 234] x 100
Subtract the new number by the original number
9 - 234 = -225
-225 ÷ 234 = -0.9615384615384616
-0.9615384615384616 x 100 = -96.15%