-10.61% is the change from 641 to 573
Calculation steps:
[( 573 - 641 ) ÷ 641] x 100 = -10.61%
Formula
Percentage change = [(573 - 641) / 641] x 100
Subtract the new number by the original number
573 - 641 = -68
-68 ÷ 641 = -0.1060842433697348
-0.1060842433697348 x 100 = -10.61%