-55.07% is the change from 641 to 288
Calculation steps:
[( 288 - 641 ) ÷ 641] x 100 = -55.07%
Formula
Percentage change = [(288 - 641) / 641] x 100
Subtract the new number by the original number
288 - 641 = -353
-353 ÷ 641 = -0.5507020280811232
-0.5507020280811232 x 100 = -55.07%