-88.58% is the change from 779 to 89
Calculation steps:
[( 89 - 779 ) ÷ 779] x 100 = -88.58%
Formula
Percentage change = [(89 - 779) / 779] x 100
Subtract the new number by the original number
89 - 779 = -690
-690 ÷ 779 = -0.8857509627727856
-0.8857509627727856 x 100 = -88.58%