-17.93% is the change from 619 to 508
Calculation steps:
[( 508 - 619 ) ÷ 619] x 100 = -17.93%
Formula
Percentage change = [(508 - 619) / 619] x 100
Subtract the new number by the original number
508 - 619 = -111
-111 ÷ 619 = -0.17932148626817448
-0.17932148626817448 x 100 = -17.93%