-74.52% is the change from 679 to 173
Calculation steps:
[( 173 - 679 ) ÷ 679] x 100 = -74.52%
Formula
Percentage change = [(173 - 679) / 679] x 100
Subtract the new number by the original number
173 - 679 = -506
-506 ÷ 679 = -0.7452135493372607
-0.7452135493372607 x 100 = -74.52%