-43.55% is the change from 806 to 455
Calculation steps:
[( 455 - 806 ) ÷ 806] x 100 = -43.55%
Formula
Percentage change = [(455 - 806) / 806] x 100
Subtract the new number by the original number
455 - 806 = -351
-351 ÷ 806 = -0.43548387096774194
-0.43548387096774194 x 100 = -43.55%