-56.22% is the change from 699 to 306
Calculation steps:
[( 306 - 699 ) ÷ 699] x 100 = -56.22%
Formula
Percentage change = [(306 - 699) / 699] x 100
Subtract the new number by the original number
306 - 699 = -393
-393 ÷ 699 = -0.5622317596566524
-0.5622317596566524 x 100 = -56.22%