-90.4% is the change from 573 to 55
Calculation steps:
[( 55 - 573 ) ÷ 573] x 100 = -90.4%
Formula
Percentage change = [(55 - 573) / 573] x 100
Subtract the new number by the original number
55 - 573 = -518
-518 ÷ 573 = -0.9040139616055847
-0.9040139616055847 x 100 = -90.4%