-45.09% is the change from 814 to 447
Calculation steps:
[( 447 - 814 ) ÷ 814] x 100 = -45.09%
Formula
Percentage change = [(447 - 814) / 814] x 100
Subtract the new number by the original number
447 - 814 = -367
-367 ÷ 814 = -0.45085995085995084
-0.45085995085995084 x 100 = -45.09%