-57.41% is the change from 641 to 273
Calculation steps:
[( 273 - 641 ) ÷ 641] x 100 = -57.41%
Formula
Percentage change = [(273 - 641) / 641] x 100
Subtract the new number by the original number
273 - 641 = -368
-368 ÷ 641 = -0.5741029641185648
-0.5741029641185648 x 100 = -57.41%