-99.77% is the change from 880 to 2
Calculation steps:
[( 2 - 880 ) ÷ 880] x 100 = -99.77%
Formula
Percentage change = [(2 - 880) / 880] x 100
Subtract the new number by the original number
2 - 880 = -878
-878 ÷ 880 = -0.9977272727272727
-0.9977272727272727 x 100 = -99.77%