-72.95% is the change from 621 to 168
Calculation steps:
[( 168 - 621 ) ÷ 621] x 100 = -72.95%
Formula
Percentage change = [(168 - 621) / 621] x 100
Subtract the new number by the original number
168 - 621 = -453
-453 ÷ 621 = -0.7294685990338164
-0.7294685990338164 x 100 = -72.95%