-55.16% is the change from 979 to 439
Calculation steps:
[( 439 - 979 ) ÷ 979] x 100 = -55.16%
Formula
Percentage change = [(439 - 979) / 979] x 100
Subtract the new number by the original number
439 - 979 = -540
-540 ÷ 979 = -0.5515832482124617
-0.5515832482124617 x 100 = -55.16%