-46.88% is the change from 849 to 451
Calculation steps:
[( 451 - 849 ) ÷ 849] x 100 = -46.88%
Formula
Percentage change = [(451 - 849) / 849] x 100
Subtract the new number by the original number
451 - 849 = -398
-398 ÷ 849 = -0.46878680800942285
-0.46878680800942285 x 100 = -46.88%