-20.81% is the change from 788 to 624
Calculation steps:
[( 624 - 788 ) ÷ 788] x 100 = -20.81%
Formula
Percentage change = [(624 - 788) / 788] x 100
Subtract the new number by the original number
624 - 788 = -164
-164 ÷ 788 = -0.20812182741116753
-0.20812182741116753 x 100 = -20.81%