-28.53% is the change from 389 to 278
Calculation steps:
[( 278 - 389 ) ÷ 389] x 100 = -28.53%
Formula
Percentage change = [(278 - 389) / 389] x 100
Subtract the new number by the original number
278 - 389 = -111
-111 ÷ 389 = -0.2853470437017995
-0.2853470437017995 x 100 = -28.53%