-0.5% is the change from 397 to 395
Calculation steps:
[( 395 - 397 ) ÷ 397] x 100 = -0.5%
Formula
Percentage change = [(395 - 397) / 397] x 100
Subtract the new number by the original number
395 - 397 = -2
-2 ÷ 397 = -0.005037783375314861
-0.005037783375314861 x 100 = -0.5%