-79.39% is the change from 689 to 142
Calculation steps:
[( 142 - 689 ) ÷ 689] x 100 = -79.39%
Formula
Percentage change = [(142 - 689) / 689] x 100
Subtract the new number by the original number
142 - 689 = -547
-547 ÷ 689 = -0.7939042089985486
-0.7939042089985486 x 100 = -79.39%