-48.1% is the change from 869 to 451
Calculation steps:
[( 451 - 869 ) ÷ 869] x 100 = -48.1%
Formula
Percentage change = [(451 - 869) / 869] x 100
Subtract the new number by the original number
451 - 869 = -418
-418 ÷ 869 = -0.4810126582278481
-0.4810126582278481 x 100 = -48.1%