-94.53% is the change from 329 to 18
Calculation steps:
[( 18 - 329 ) ÷ 329] x 100 = -94.53%
Formula
Percentage change = [(18 - 329) / 329] x 100
Subtract the new number by the original number
18 - 329 = -311
-311 ÷ 329 = -0.9452887537993921
-0.9452887537993921 x 100 = -94.53%