-85.5% is the change from 869 to 126
Calculation steps:
[( 126 - 869 ) ÷ 869] x 100 = -85.5%
Formula
Percentage change = [(126 - 869) / 869] x 100
Subtract the new number by the original number
126 - 869 = -743
-743 ÷ 869 = -0.8550057537399309
-0.8550057537399309 x 100 = -85.5%