-41.28% is the change from 814 to 478
Calculation steps:
[( 478 - 814 ) ÷ 814] x 100 = -41.28%
Formula
Percentage change = [(478 - 814) / 814] x 100
Subtract the new number by the original number
478 - 814 = -336
-336 ÷ 814 = -0.41277641277641275
-0.41277641277641275 x 100 = -41.28%