-43.11% is the change from 979 to 557
Calculation steps:
[( 557 - 979 ) ÷ 979] x 100 = -43.11%
Formula
Percentage change = [(557 - 979) / 979] x 100
Subtract the new number by the original number
557 - 979 = -422
-422 ÷ 979 = -0.4310520939734423
-0.4310520939734423 x 100 = -43.11%