-73.63% is the change from 656 to 173
Calculation steps:
[( 173 - 656 ) ÷ 656] x 100 = -73.63%
Formula
Percentage change = [(173 - 656) / 656] x 100
Subtract the new number by the original number
173 - 656 = -483
-483 ÷ 656 = -0.7362804878048781
-0.7362804878048781 x 100 = -73.63%