-43.74% is the change from 807 to 454
Calculation steps:
[( 454 - 807 ) ÷ 807] x 100 = -43.74%
Formula
Percentage change = [(454 - 807) / 807] x 100
Subtract the new number by the original number
454 - 807 = -353
-353 ÷ 807 = -0.43742255266418834
-0.43742255266418834 x 100 = -43.74%