-49.32% is the change from 805 to 408
Calculation steps:
[( 408 - 805 ) ÷ 805] x 100 = -49.32%
Formula
Percentage change = [(408 - 805) / 805] x 100
Subtract the new number by the original number
408 - 805 = -397
-397 ÷ 805 = -0.493167701863354
-0.493167701863354 x 100 = -49.32%