-64.8% is the change from 679 to 239
Calculation steps:
[( 239 - 679 ) ÷ 679] x 100 = -64.8%
Formula
Percentage change = [(239 - 679) / 679] x 100
Subtract the new number by the original number
239 - 679 = -440
-440 ÷ 679 = -0.6480117820324006
-0.6480117820324006 x 100 = -64.8%