-41.64% is the change from 867 to 506
Calculation steps:
[( 506 - 867 ) ÷ 867] x 100 = -41.64%
Formula
Percentage change = [(506 - 867) / 867] x 100
Subtract the new number by the original number
506 - 867 = -361
-361 ÷ 867 = -0.41637831603229525
-0.41637831603229525 x 100 = -41.64%