-88.31% is the change from 154 to 18
Calculation steps:
[( 18 - 154 ) ÷ 154] x 100 = -88.31%
Formula
Percentage change = [(18 - 154) / 154] x 100
Subtract the new number by the original number
18 - 154 = -136
-136 ÷ 154 = -0.8831168831168831
-0.8831168831168831 x 100 = -88.31%