-26.22% is the change from 839 to 619
Calculation steps:
[( 619 - 839 ) ÷ 839] x 100 = -26.22%
Formula
Percentage change = [(619 - 839) / 839] x 100
Subtract the new number by the original number
619 - 839 = -220
-220 ÷ 839 = -0.2622169249106079
-0.2622169249106079 x 100 = -26.22%