-20.44% is the change from 778 to 619
Calculation steps:
[( 619 - 778 ) ÷ 778] x 100 = -20.44%
Formula
Percentage change = [(619 - 778) / 778] x 100
Subtract the new number by the original number
619 - 778 = -159
-159 ÷ 778 = -0.2043701799485861
-0.2043701799485861 x 100 = -20.44%