-44.1% is the change from 814 to 455
Calculation steps:
[( 455 - 814 ) ÷ 814] x 100 = -44.1%
Formula
Percentage change = [(455 - 814) / 814] x 100
Subtract the new number by the original number
455 - 814 = -359
-359 ÷ 814 = -0.44103194103194104
-0.44103194103194104 x 100 = -44.1%