-73.54% is the change from 979 to 259
Calculation steps:
[( 259 - 979 ) ÷ 979] x 100 = -73.54%
Formula
Percentage change = [(259 - 979) / 979] x 100
Subtract the new number by the original number
259 - 979 = -720
-720 ÷ 979 = -0.7354443309499489
-0.7354443309499489 x 100 = -73.54%