-99.77% is the change from 872 to 2
Calculation steps:
[( 2 - 872 ) ÷ 872] x 100 = -99.77%
Formula
Percentage change = [(2 - 872) / 872] x 100
Subtract the new number by the original number
2 - 872 = -870
-870 ÷ 872 = -0.9977064220183486
-0.9977064220183486 x 100 = -99.77%