-24.8% is the change from 641 to 482
Calculation steps:
[( 482 - 641 ) ÷ 641] x 100 = -24.8%
Formula
Percentage change = [(482 - 641) / 641] x 100
Subtract the new number by the original number
482 - 641 = -159
-159 ÷ 641 = -0.24804992199687986
-0.24804992199687986 x 100 = -24.8%