-22.9% is the change from 808 to 623
Calculation steps:
[( 623 - 808 ) ÷ 808] x 100 = -22.9%
Formula
Percentage change = [(623 - 808) / 808] x 100
Subtract the new number by the original number
623 - 808 = -185
-185 ÷ 808 = -0.22896039603960397
-0.22896039603960397 x 100 = -22.9%