-96.1% is the change from 872 to 34
Calculation steps:
[( 34 - 872 ) ÷ 872] x 100 = -96.1%
Formula
Percentage change = [(34 - 872) / 872] x 100
Subtract the new number by the original number
34 - 872 = -838
-838 ÷ 872 = -0.9610091743119266
-0.9610091743119266 x 100 = -96.1%