-98.72% is the change from 779 to 10
Calculation steps:
[( 10 - 779 ) ÷ 779] x 100 = -98.72%
Formula
Percentage change = [(10 - 779) / 779] x 100
Subtract the new number by the original number
10 - 779 = -769
-769 ÷ 779 = -0.9871630295250321
-0.9871630295250321 x 100 = -98.72%