-39.12% is the change from 979 to 596
Calculation steps:
[( 596 - 979 ) ÷ 979] x 100 = -39.12%
Formula
Percentage change = [(596 - 979) / 979] x 100
Subtract the new number by the original number
596 - 979 = -383
-383 ÷ 979 = -0.39121552604698673
-0.39121552604698673 x 100 = -39.12%