-98.74% is the change from 318 to 4
Calculation steps:
[( 4 - 318 ) ÷ 318] x 100 = -98.74%
Formula
Percentage change = [(4 - 318) / 318] x 100
Subtract the new number by the original number
4 - 318 = -314
-314 ÷ 318 = -0.9874213836477987
-0.9874213836477987 x 100 = -98.74%