-43.3% is the change from 806 to 457
Calculation steps:
[( 457 - 806 ) ÷ 806] x 100 = -43.3%
Formula
Percentage change = [(457 - 806) / 806] x 100
Subtract the new number by the original number
457 - 806 = -349
-349 ÷ 806 = -0.43300248138957814
-0.43300248138957814 x 100 = -43.3%