-51.28% is the change from 979 to 477
Calculation steps:
[( 477 - 979 ) ÷ 979] x 100 = -51.28%
Formula
Percentage change = [(477 - 979) / 979] x 100
Subtract the new number by the original number
477 - 979 = -502
-502 ÷ 979 = -0.5127681307456589
-0.5127681307456589 x 100 = -51.28%