-41.03% is the change from 814 to 480
Calculation steps:
[( 480 - 814 ) ÷ 814] x 100 = -41.03%
Formula
Percentage change = [(480 - 814) / 814] x 100
Subtract the new number by the original number
480 - 814 = -334
-334 ÷ 814 = -0.4103194103194103
-0.4103194103194103 x 100 = -41.03%