-68.74% is the change from 979 to 306
Calculation steps:
[( 306 - 979 ) ÷ 979] x 100 = -68.74%
Formula
Percentage change = [(306 - 979) / 979] x 100
Subtract the new number by the original number
306 - 979 = -673
-673 ÷ 979 = -0.6874361593462717
-0.6874361593462717 x 100 = -68.74%