-67.42% is the change from 979 to 319
Calculation steps:
[( 319 - 979 ) ÷ 979] x 100 = -67.42%
Formula
Percentage change = [(319 - 979) / 979] x 100
Subtract the new number by the original number
319 - 979 = -660
-660 ÷ 979 = -0.6741573033707865
-0.6741573033707865 x 100 = -67.42%