-47.09% is the change from 979 to 518
Calculation steps:
[( 518 - 979 ) ÷ 979] x 100 = -47.09%
Formula
Percentage change = [(518 - 979) / 979] x 100
Subtract the new number by the original number
518 - 979 = -461
-461 ÷ 979 = -0.47088866189989786
-0.47088866189989786 x 100 = -47.09%