-41.06% is the change from 811 to 478
Calculation steps:
[( 478 - 811 ) ÷ 811] x 100 = -41.06%
Formula
Percentage change = [(478 - 811) / 811] x 100
Subtract the new number by the original number
478 - 811 = -333
-333 ÷ 811 = -0.41060419235511714
-0.41060419235511714 x 100 = -41.06%