-28.79% is the change from 646 to 460
Calculation steps:
[( 460 - 646 ) ÷ 646] x 100 = -28.79%
Formula
Percentage change = [(460 - 646) / 646] x 100
Subtract the new number by the original number
460 - 646 = -186
-186 ÷ 646 = -0.28792569659442724
-0.28792569659442724 x 100 = -28.79%