-18.26% is the change from 619 to 506
Calculation steps:
[( 506 - 619 ) ÷ 619] x 100 = -18.26%
Formula
Percentage change = [(506 - 619) / 619] x 100
Subtract the new number by the original number
506 - 619 = -113
-113 ÷ 619 = -0.1825525040387722
-0.1825525040387722 x 100 = -18.26%