-3.49% is the change from 573 to 553
Calculation steps:
[( 553 - 573 ) ÷ 573] x 100 = -3.49%
Formula
Percentage change = [(553 - 573) / 573] x 100
Subtract the new number by the original number
553 - 573 = -20
-20 ÷ 573 = -0.034904013961605584
-0.034904013961605584 x 100 = -3.49%