-51.78% is the change from 869 to 419
Calculation steps:
[( 419 - 869 ) ÷ 869] x 100 = -51.78%
Formula
Percentage change = [(419 - 869) / 869] x 100
Subtract the new number by the original number
419 - 869 = -450
-450 ÷ 869 = -0.5178365937859609
-0.5178365937859609 x 100 = -51.78%