-39.83% is the change from 477 to 287
Calculation steps:
[( 287 - 477 ) ÷ 477] x 100 = -39.83%
Formula
Percentage change = [(287 - 477) / 477] x 100
Subtract the new number by the original number
287 - 477 = -190
-190 ÷ 477 = -0.39832285115303984
-0.39832285115303984 x 100 = -39.83%