-26.99% is the change from 389 to 284
Calculation steps:
[( 284 - 389 ) ÷ 389] x 100 = -26.99%
Formula
Percentage change = [(284 - 389) / 389] x 100
Subtract the new number by the original number
284 - 389 = -105
-105 ÷ 389 = -0.2699228791773779
-0.2699228791773779 x 100 = -26.99%