-73.03% is the change from 623 to 168
Calculation steps:
[( 168 - 623 ) ÷ 623] x 100 = -73.03%
Formula
Percentage change = [(168 - 623) / 623] x 100
Subtract the new number by the original number
168 - 623 = -455
-455 ÷ 623 = -0.7303370786516854
-0.7303370786516854 x 100 = -73.03%