-99.74% is the change from 779 to 2
Calculation steps:
[( 2 - 779 ) ÷ 779] x 100 = -99.74%
Formula
Percentage change = [(2 - 779) / 779] x 100
Subtract the new number by the original number
2 - 779 = -777
-777 ÷ 779 = -0.9974326059050064
-0.9974326059050064 x 100 = -99.74%