-46.27% is the change from 577 to 310
Calculation steps:
[( 310 - 577 ) ÷ 577] x 100 = -46.27%
Formula
Percentage change = [(310 - 577) / 577] x 100
Subtract the new number by the original number
310 - 577 = -267
-267 ÷ 577 = -0.462738301559792
-0.462738301559792 x 100 = -46.27%