-48.02% is the change from 808 to 420
Calculation steps:
[( 420 - 808 ) ÷ 808] x 100 = -48.02%
Formula
Percentage change = [(420 - 808) / 808] x 100
Subtract the new number by the original number
420 - 808 = -388
-388 ÷ 808 = -0.4801980198019802
-0.4801980198019802 x 100 = -48.02%