-56.03% is the change from 705 to 310
Calculation steps:
[( 310 - 705 ) ÷ 705] x 100 = -56.03%
Formula
Percentage change = [(310 - 705) / 705] x 100
Subtract the new number by the original number
310 - 705 = -395
-395 ÷ 705 = -0.5602836879432624
-0.5602836879432624 x 100 = -56.03%