-2.77% is the change from 397 to 386
Calculation steps:
[( 386 - 397 ) ÷ 397] x 100 = -2.77%
Formula
Percentage change = [(386 - 397) / 397] x 100
Subtract the new number by the original number
386 - 397 = -11
-11 ÷ 397 = -0.027707808564231738
-0.027707808564231738 x 100 = -2.77%