-65.27% is the change from 979 to 340
Calculation steps:
[( 340 - 979 ) ÷ 979] x 100 = -65.27%
Formula
Percentage change = [(340 - 979) / 979] x 100
Subtract the new number by the original number
340 - 979 = -639
-639 ÷ 979 = -0.6527068437180796
-0.6527068437180796 x 100 = -65.27%