-11.3% is the change from 646 to 573
Calculation steps:
[( 573 - 646 ) ÷ 646] x 100 = -11.3%
Formula
Percentage change = [(573 - 646) / 646] x 100
Subtract the new number by the original number
573 - 646 = -73
-73 ÷ 646 = -0.1130030959752322
-0.1130030959752322 x 100 = -11.3%