-39.2% is the change from 477 to 290
Calculation steps:
[( 290 - 477 ) ÷ 477] x 100 = -39.2%
Formula
Percentage change = [(290 - 477) / 477] x 100
Subtract the new number by the original number
290 - 477 = -187
-187 ÷ 477 = -0.3920335429769392
-0.3920335429769392 x 100 = -39.2%