-46.64% is the change from 581 to 310
Calculation steps:
[( 310 - 581 ) ÷ 581] x 100 = -46.64%
Formula
Percentage change = [(310 - 581) / 581] x 100
Subtract the new number by the original number
310 - 581 = -271
-271 ÷ 581 = -0.4664371772805508
-0.4664371772805508 x 100 = -46.64%