-99.77% is the change from 868 to 2
Calculation steps:
[( 2 - 868 ) ÷ 868] x 100 = -99.77%
Formula
Percentage change = [(2 - 868) / 868] x 100
Subtract the new number by the original number
2 - 868 = -866
-866 ÷ 868 = -0.9976958525345622
-0.9976958525345622 x 100 = -99.77%