-92.31% is the change from 234 to 18
Calculation steps:
[( 18 - 234 ) ÷ 234] x 100 = -92.31%
Formula
Percentage change = [(18 - 234) / 234] x 100
Subtract the new number by the original number
18 - 234 = -216
-216 ÷ 234 = -0.9230769230769231
-0.9230769230769231 x 100 = -92.31%