-15.24% is the change from 479 to 406
Calculation steps:
[( 406 - 479 ) ÷ 479] x 100 = -15.24%
Formula
Percentage change = [(406 - 479) / 479] x 100
Subtract the new number by the original number
406 - 479 = -73
-73 ÷ 479 = -0.1524008350730689
-0.1524008350730689 x 100 = -15.24%