-45.9% is the change from 573 to 310
Calculation steps:
[( 310 - 573 ) ÷ 573] x 100 = -45.9%
Formula
Percentage change = [(310 - 573) / 573] x 100
Subtract the new number by the original number
310 - 573 = -263
-263 ÷ 573 = -0.45898778359511344
-0.45898778359511344 x 100 = -45.9%