-98.74% is the change from 397 to 5
Calculation steps:
[( 5 - 397 ) ÷ 397] x 100 = -98.74%
Formula
Percentage change = [(5 - 397) / 397] x 100
Subtract the new number by the original number
5 - 397 = -392
-392 ÷ 397 = -0.9874055415617129
-0.9874055415617129 x 100 = -98.74%