-54.76% is the change from 641 to 290
Calculation steps:
[( 290 - 641 ) ÷ 641] x 100 = -54.76%
Formula
Percentage change = [(290 - 641) / 641] x 100
Subtract the new number by the original number
290 - 641 = -351
-351 ÷ 641 = -0.5475819032761311
-0.5475819032761311 x 100 = -54.76%