-55.52% is the change from 697 to 310
Calculation steps:
[( 310 - 697 ) ÷ 697] x 100 = -55.52%
Formula
Percentage change = [(310 - 697) / 697] x 100
Subtract the new number by the original number
310 - 697 = -387
-387 ÷ 697 = -0.5552367288378766
-0.5552367288378766 x 100 = -55.52%