-20.84% is the change from 619 to 490
Calculation steps:
[( 490 - 619 ) ÷ 619] x 100 = -20.84%
Formula
Percentage change = [(490 - 619) / 619] x 100
Subtract the new number by the original number
490 - 619 = -129
-129 ÷ 619 = -0.2084006462035541
-0.2084006462035541 x 100 = -20.84%