-24.49% is the change from 641 to 484
Calculation steps:
[( 484 - 641 ) ÷ 641] x 100 = -24.49%
Formula
Percentage change = [(484 - 641) / 641] x 100
Subtract the new number by the original number
484 - 641 = -157
-157 ÷ 641 = -0.24492979719188768
-0.24492979719188768 x 100 = -24.49%