-98.72% is the change from 391 to 5
Calculation steps:
[( 5 - 391 ) ÷ 391] x 100 = -98.72%
Formula
Percentage change = [(5 - 391) / 391] x 100
Subtract the new number by the original number
5 - 391 = -386
-386 ÷ 391 = -0.9872122762148338
-0.9872122762148338 x 100 = -98.72%