-23.14% is the change from 808 to 621
Calculation steps:
[( 621 - 808 ) ÷ 808] x 100 = -23.14%
Formula
Percentage change = [(621 - 808) / 808] x 100
Subtract the new number by the original number
621 - 808 = -187
-187 ÷ 808 = -0.23143564356435645
-0.23143564356435645 x 100 = -23.14%