-66.13% is the change from 679 to 230
Calculation steps:
[( 230 - 679 ) ÷ 679] x 100 = -66.13%
Formula
Percentage change = [(230 - 679) / 679] x 100
Subtract the new number by the original number
230 - 679 = -449
-449 ÷ 679 = -0.6612665684830633
-0.6612665684830633 x 100 = -66.13%