-30.73% is the change from 641 to 444
Calculation steps:
[( 444 - 641 ) ÷ 641] x 100 = -30.73%
Formula
Percentage change = [(444 - 641) / 641] x 100
Subtract the new number by the original number
444 - 641 = -197
-197 ÷ 641 = -0.3073322932917317
-0.3073322932917317 x 100 = -30.73%