-18.45% is the change from 477 to 389
Calculation steps:
[( 389 - 477 ) ÷ 477] x 100 = -18.45%
Formula
Percentage change = [(389 - 477) / 477] x 100
Subtract the new number by the original number
389 - 477 = -88
-88 ÷ 477 = -0.18448637316561844
-0.18448637316561844 x 100 = -18.45%