-88.24% is the change from 621 to 73
Calculation steps:
[( 73 - 621 ) ÷ 621] x 100 = -88.24%
Formula
Percentage change = [(73 - 621) / 621] x 100
Subtract the new number by the original number
73 - 621 = -548
-548 ÷ 621 = -0.8824476650563607
-0.8824476650563607 x 100 = -88.24%