-49.69% is the change from 811 to 408
Calculation steps:
[( 408 - 811 ) ÷ 811] x 100 = -49.69%
Formula
Percentage change = [(408 - 811) / 811] x 100
Subtract the new number by the original number
408 - 811 = -403
-403 ÷ 811 = -0.4969173859432799
-0.4969173859432799 x 100 = -49.69%