-64.65% is the change from 679 to 240
Calculation steps:
[( 240 - 679 ) ÷ 679] x 100 = -64.65%
Formula
Percentage change = [(240 - 679) / 679] x 100
Subtract the new number by the original number
240 - 679 = -439
-439 ÷ 679 = -0.646539027982327
-0.646539027982327 x 100 = -64.65%