-25.39% is the change from 646 to 482
Calculation steps:
[( 482 - 646 ) ÷ 646] x 100 = -25.39%
Formula
Percentage change = [(482 - 646) / 646] x 100
Subtract the new number by the original number
482 - 646 = -164
-164 ÷ 646 = -0.25386996904024767
-0.25386996904024767 x 100 = -25.39%