-55.15% is the change from 573 to 257
Calculation steps:
[( 257 - 573 ) ÷ 573] x 100 = -55.15%
Formula
Percentage change = [(257 - 573) / 573] x 100
Subtract the new number by the original number
257 - 573 = -316
-316 ÷ 573 = -0.5514834205933682
-0.5514834205933682 x 100 = -55.15%