-15.02% is the change from 779 to 662
Calculation steps:
[( 662 - 779 ) ÷ 779] x 100 = -15.02%
Formula
Percentage change = [(662 - 779) / 779] x 100
Subtract the new number by the original number
662 - 779 = -117
-117 ÷ 779 = -0.15019255455712452
-0.15019255455712452 x 100 = -15.02%