-94.43% is the change from 323 to 18
Calculation steps:
[( 18 - 323 ) ÷ 323] x 100 = -94.43%
Formula
Percentage change = [(18 - 323) / 323] x 100
Subtract the new number by the original number
18 - 323 = -305
-305 ÷ 323 = -0.9442724458204335
-0.9442724458204335 x 100 = -94.43%