-18.09% is the change from 619 to 507
Calculation steps:
[( 507 - 619 ) ÷ 619] x 100 = -18.09%
Formula
Percentage change = [(507 - 619) / 619] x 100
Subtract the new number by the original number
507 - 619 = -112
-112 ÷ 619 = -0.18093699515347333
-0.18093699515347333 x 100 = -18.09%