-21.23% is the change from 989 to 779
Calculation steps:
[( 779 - 989 ) ÷ 989] x 100 = -21.23%
Formula
Percentage change = [(779 - 989) / 989] x 100
Subtract the new number by the original number
779 - 989 = -210
-210 ÷ 989 = -0.2123356926188069
-0.2123356926188069 x 100 = -21.23%