-41.4% is the change from 814 to 477
Calculation steps:
[( 477 - 814 ) ÷ 814] x 100 = -41.4%
Formula
Percentage change = [(477 - 814) / 814] x 100
Subtract the new number by the original number
477 - 814 = -337
-337 ÷ 814 = -0.414004914004914
-0.414004914004914 x 100 = -41.4%