-51.13% is the change from 573 to 280
Calculation steps:
[( 280 - 573 ) ÷ 573] x 100 = -51.13%
Formula
Percentage change = [(280 - 573) / 573] x 100
Subtract the new number by the original number
280 - 573 = -293
-293 ÷ 573 = -0.5113438045375218
-0.5113438045375218 x 100 = -51.13%