-68.85% is the change from 979 to 305
Calculation steps:
[( 305 - 979 ) ÷ 979] x 100 = -68.85%
Formula
Percentage change = [(305 - 979) / 979] x 100
Subtract the new number by the original number
305 - 979 = -674
-674 ÷ 979 = -0.6884576098059244
-0.6884576098059244 x 100 = -68.85%