-99.61% is the change from 778 to 3
Calculation steps:
[( 3 - 778 ) ÷ 778] x 100 = -99.61%
Formula
Percentage change = [(3 - 778) / 778] x 100
Subtract the new number by the original number
3 - 778 = -775
-775 ÷ 778 = -0.9961439588688946
-0.9961439588688946 x 100 = -99.61%