-32.07% is the change from 979 to 665
Calculation steps:
[( 665 - 979 ) ÷ 979] x 100 = -32.07%
Formula
Percentage change = [(665 - 979) / 979] x 100
Subtract the new number by the original number
665 - 979 = -314
-314 ÷ 979 = -0.32073544433094997
-0.32073544433094997 x 100 = -32.07%