-44.23% is the change from 814 to 454
Calculation steps:
[( 454 - 814 ) ÷ 814] x 100 = -44.23%
Formula
Percentage change = [(454 - 814) / 814] x 100
Subtract the new number by the original number
454 - 814 = -360
-360 ÷ 814 = -0.44226044226044225
-0.44226044226044225 x 100 = -44.23%