-39.46% is the change from 479 to 290
Calculation steps:
[( 290 - 479 ) ÷ 479] x 100 = -39.46%
Formula
Percentage change = [(290 - 479) / 479] x 100
Subtract the new number by the original number
290 - 479 = -189
-189 ÷ 479 = -0.3945720250521921
-0.3945720250521921 x 100 = -39.46%