-47.4% is the change from 979 to 515
Calculation steps:
[( 515 - 979 ) ÷ 979] x 100 = -47.4%
Formula
Percentage change = [(515 - 979) / 979] x 100
Subtract the new number by the original number
515 - 979 = -464
-464 ÷ 979 = -0.473953013278856
-0.473953013278856 x 100 = -47.4%