-64.21% is the change from 679 to 243
Calculation steps:
[( 243 - 679 ) ÷ 679] x 100 = -64.21%
Formula
Percentage change = [(243 - 679) / 679] x 100
Subtract the new number by the original number
243 - 679 = -436
-436 ÷ 679 = -0.6421207658321061
-0.6421207658321061 x 100 = -64.21%