-2.02% is the change from 397 to 389
Calculation steps:
[( 389 - 397 ) ÷ 397] x 100 = -2.02%
Formula
Percentage change = [(389 - 397) / 397] x 100
Subtract the new number by the original number
389 - 397 = -8
-8 ÷ 397 = -0.020151133501259445
-0.020151133501259445 x 100 = -2.02%