-28.48% is the change from 646 to 462
Calculation steps:
[( 462 - 646 ) ÷ 646] x 100 = -28.48%
Formula
Percentage change = [(462 - 646) / 646] x 100
Subtract the new number by the original number
462 - 646 = -184
-184 ÷ 646 = -0.2848297213622291
-0.2848297213622291 x 100 = -28.48%