-94.08% is the change from 304 to 18
Calculation steps:
[( 18 - 304 ) ÷ 304] x 100 = -94.08%
Formula
Percentage change = [(18 - 304) / 304] x 100
Subtract the new number by the original number
18 - 304 = -286
-286 ÷ 304 = -0.9407894736842105
-0.9407894736842105 x 100 = -94.08%