-94.77% is the change from 344 to 18
Calculation steps:
[( 18 - 344 ) ÷ 344] x 100 = -94.77%
Formula
Percentage change = [(18 - 344) / 344] x 100
Subtract the new number by the original number
18 - 344 = -326
-326 ÷ 344 = -0.9476744186046512
-0.9476744186046512 x 100 = -94.77%