-47.44% is the change from 858 to 451
Calculation steps:
[( 451 - 858 ) ÷ 858] x 100 = -47.44%
Formula
Percentage change = [(451 - 858) / 858] x 100
Subtract the new number by the original number
451 - 858 = -407
-407 ÷ 858 = -0.47435897435897434
-0.47435897435897434 x 100 = -47.44%