-52.28% is the change from 811 to 387
Calculation steps:
[( 387 - 811 ) ÷ 811] x 100 = -52.28%
Formula
Percentage change = [(387 - 811) / 811] x 100
Subtract the new number by the original number
387 - 811 = -424
-424 ÷ 811 = -0.5228113440197287
-0.5228113440197287 x 100 = -52.28%