-20.92% is the change from 779 to 616
Calculation steps:
[( 616 - 779 ) ÷ 779] x 100 = -20.92%
Formula
Percentage change = [(616 - 779) / 779] x 100
Subtract the new number by the original number
616 - 779 = -163
-163 ÷ 779 = -0.2092426187419769
-0.2092426187419769 x 100 = -20.92%