-33.71% is the change from 979 to 649
Calculation steps:
[( 649 - 979 ) ÷ 979] x 100 = -33.71%
Formula
Percentage change = [(649 - 979) / 979] x 100
Subtract the new number by the original number
649 - 979 = -330
-330 ÷ 979 = -0.33707865168539325
-0.33707865168539325 x 100 = -33.71%