-92.8% is the change from 389 to 28
Calculation steps:
[( 28 - 389 ) ÷ 389] x 100 = -92.8%
Formula
Percentage change = [(28 - 389) / 389] x 100
Subtract the new number by the original number
28 - 389 = -361
-361 ÷ 389 = -0.9280205655526992
-0.9280205655526992 x 100 = -92.8%