-43% is the change from 979 to 558
Calculation steps:
[( 558 - 979 ) ÷ 979] x 100 = -43%
Formula
Percentage change = [(558 - 979) / 979] x 100
Subtract the new number by the original number
558 - 979 = -421
-421 ÷ 979 = -0.43003064351378956
-0.43003064351378956 x 100 = -43%