-64.96% is the change from 979 to 343
Calculation steps:
[( 343 - 979 ) ÷ 979] x 100 = -64.96%
Formula
Percentage change = [(343 - 979) / 979] x 100
Subtract the new number by the original number
343 - 979 = -636
-636 ÷ 979 = -0.6496424923391215
-0.6496424923391215 x 100 = -64.96%