-53.14% is the change from 811 to 380
Calculation steps:
[( 380 - 811 ) ÷ 811] x 100 = -53.14%
Formula
Percentage change = [(380 - 811) / 811] x 100
Subtract the new number by the original number
380 - 811 = -431
-431 ÷ 811 = -0.531442663378545
-0.531442663378545 x 100 = -53.14%