-51.98% is the change from 808 to 388
Calculation steps:
[( 388 - 808 ) ÷ 808] x 100 = -51.98%
Formula
Percentage change = [(388 - 808) / 808] x 100
Subtract the new number by the original number
388 - 808 = -420
-420 ÷ 808 = -0.5198019801980198
-0.5198019801980198 x 100 = -51.98%