-40.91% is the change from 814 to 481
Calculation steps:
[( 481 - 814 ) ÷ 814] x 100 = -40.91%
Formula
Percentage change = [(481 - 814) / 814] x 100
Subtract the new number by the original number
481 - 814 = -333
-333 ÷ 814 = -0.4090909090909091
-0.4090909090909091 x 100 = -40.91%