-72.23% is the change from 623 to 173
Calculation steps:
[( 173 - 623 ) ÷ 623] x 100 = -72.23%
Formula
Percentage change = [(173 - 623) / 623] x 100
Subtract the new number by the original number
173 - 623 = -450
-450 ÷ 623 = -0.7223113964686998
-0.7223113964686998 x 100 = -72.23%