-41.43% is the change from 869 to 509
Calculation steps:
[( 509 - 869 ) ÷ 869] x 100 = -41.43%
Formula
Percentage change = [(509 - 869) / 869] x 100
Subtract the new number by the original number
509 - 869 = -360
-360 ÷ 869 = -0.4142692750287687
-0.4142692750287687 x 100 = -41.43%