-43.82% is the change from 979 to 550
Calculation steps:
[( 550 - 979 ) ÷ 979] x 100 = -43.82%
Formula
Percentage change = [(550 - 979) / 979] x 100
Subtract the new number by the original number
550 - 979 = -429
-429 ÷ 979 = -0.43820224719101125
-0.43820224719101125 x 100 = -43.82%