-98.71% is the change from 777 to 10
Calculation steps:
[( 10 - 777 ) ÷ 777] x 100 = -98.71%
Formula
Percentage change = [(10 - 777) / 777] x 100
Subtract the new number by the original number
10 - 777 = -767
-767 ÷ 777 = -0.9871299871299871
-0.9871299871299871 x 100 = -98.71%