-18.42% is the change from 619 to 505
Calculation steps:
[( 505 - 619 ) ÷ 619] x 100 = -18.42%
Formula
Percentage change = [(505 - 619) / 619] x 100
Subtract the new number by the original number
505 - 619 = -114
-114 ÷ 619 = -0.1841680129240711
-0.1841680129240711 x 100 = -18.42%